Leetcode Solutions in Java Python C++

Formatted question description: https://leetcode.ca/all/1647.html 1647. Minimum Deletions to Make Character Frequencies Unique Level Medium [Read More]

1646 - Get Maximum in Generated Array

Posted on June 2, 2020

Question [Read More]

1645 - Hopper Company Queries II

Posted on June 1, 2020

Formatted question description: https://leetcode.ca/all/1645.html [Read More]

Tags: SQL Uber

1644 - Lowest Common Ancestor of a Binary Tree II

Posted on May 31, 2020

Formatted question description: https://leetcode.ca/all/1644.html 1644. Lowest Common Ancestor of a Binary Tree II Level Medium [Read More]

Tags: LinkedIn Microsoft .Star

1643 - Kth Smallest Instructions

Posted on May 30, 2020

Formatted question description: https://leetcode.ca/all/1643.html 1643. Kth Smallest Instructions (Hard) [Read More]

1642 - Furthest Building You Can Reach

Posted on May 29, 2020

Formatted question description: https://leetcode.ca/all/1642.html 1642. Furthest Building You Can Reach (Medium) [Read More]

1641 - Count Sorted Vowel Strings

Posted on May 28, 2020

Question [Read More]

Tags: .Star

1640 - Check Array Formation Through Concatenation

Posted on May 27, 2020

Formatted question description: https://leetcode.ca/all/1640.html [Read More]

1639 - Number of Ways to Form a Target String Given a Dictionary

Posted on May 26, 2020

Formatted question description: https://leetcode.ca/all/1639.html 1639. Number of Ways to Form a Target String Given a Dictionary (Hard) [Read More]

1638 - Count Substrings That Differ by One Character

Posted on May 25, 2020

Formatted question description: https://leetcode.ca/all/1638.html 1638. Count Substrings That Differ by One Character (Medium) [Read More]

1637 - Widest Vertical Area Between Two Points Containing No Points

Posted on May 24, 2020

Formatted question description: https://leetcode.ca/all/1637.html 1637. Widest Vertical Area Between Two Points Containing No Points (Medium) [Read More]

Tags: Microsoft

1636 - Sort Array by Increasing Frequency

Posted on May 23, 2020

Question [Read More]

Tags: Bloomberg

1635 - Hopper Company Queries I

Posted on May 22, 2020

Description Formatted question description: https://leetcode.ca/all/1635.html [Read More]

Tags: SQL

1634 - Add Two Polynomials Represented as Linked Lists

Posted on May 21, 2020

Formatted question description: https://leetcode.ca/all/1634.html 1634. Add Two Polynomials Represented as Linked Lists Level Medium [Read More]

Tags: Amazon

1633 - Percentage of Users Attended a Contest

Posted on May 20, 2020

Question [Read More]

Tags: Leetcode SQL

1632 - Rank Transform of a Matrix

Posted on May 19, 2020

Formatted question description: https://leetcode.ca/all/1632.html 1632. Rank Transform of a Matrix (Hard) [Read More]

1631 - Path With Minimum Effort

Posted on May 18, 2020

Formatted question description: https://leetcode.ca/all/1631.html 1631. Path With Minimum Effort (Medium) [Read More]

1630 - Arithmetic Subarrays

Posted on May 17, 2020

Question Formatted question description: https://leetcode.ca/all/1630.html [Read More]

1629 - Slowest Key

Posted on May 16, 2020

Formatted question description: https://leetcode.ca/all/1629.html 1629. Slowest Key Level Easy [Read More]

1628 - Design an Expression Tree With Evaluate Function

Posted on May 15, 2020

Question [Read More]

Tags: Amazon .Design .FollowUp

1627 - Graph Connectivity With Threshold

Posted on May 14, 2020

Formatted question description: https://leetcode.ca/all/1627.html 1627. Graph Connectivity With Threshold (Hard) [Read More]

1626 - Best Team With No Conflicts

Posted on May 13, 2020

Formatted question description: https://leetcode.ca/all/1626.html 1626. Best Team With No Conflicts (Medium) [Read More]

Tags: Morgan Stanley

1625 - Lexicographically Smallest String After Applying Operations

Posted on May 12, 2020

Formatted question description: https://leetcode.ca/all/1625.html 1625. Lexicographically Smallest String After Applying Operations (Medium) [Read More]

1624 - Largest Substring Between Two Equal Characters

Posted on May 11, 2020

Formatted question description: https://leetcode.ca/all/1624.html 1624. Largest Substring Between Two Equal Characters (Easy) [Read More]

1623 - All Valid Triplets That Can Represent a Country

Posted on May 10, 2020

Question [Read More]

Tags: Leetcode SQL Amazon

1622 - Fancy Sequence

Posted on May 9, 2020

Formatted question description: https://leetcode.ca/all/1622.html 1622. Fancy Sequence (Hard) [Read More]

1621 - Number of Sets of K Non-Overlapping Line Segments

Posted on May 8, 2020

Formatted question description: https://leetcode.ca/all/1621.html 1621. Number of Sets of K Non-Overlapping Line Segments (Medium) [Read More]

1620 - Coordinate With Maximum Network Quality

Posted on May 7, 2020

Formatted question description: https://leetcode.ca/all/1620.html 1620. Coordinate With Maximum Network Quality (Medium) [Read More]

1619 - Mean of Array After Removing Some Elements

Posted on May 6, 2020

Question [Read More]

Tags: Google

1618 - Maximum Font to Fit a Sentence in a Screen

Posted on May 5, 2020

Formatted question description: https://leetcode.ca/all/1618.html 1618. Maximum Font to Fit a Sentence in a Screen Level Medium [Read More]

Tags: Google

1617 - Count Subtrees With Max Distance Between Cities

Posted on May 4, 2020

Formatted question description: https://leetcode.ca/all/1617.html 1617. Count Subtrees With Max Distance Between Cities (Hard) [Read More]

1616 - Split Two Strings to Make Palindrome

Posted on May 3, 2020

Formatted question description: https://leetcode.ca/all/1616.html 1616. Split Two Strings to Make Palindrome (Medium) [Read More]

1615 - Maximal Network Rank

Posted on April 26, 2020

Formatted question description: https://leetcode.ca/all/1609.html 1609. Even Odd Tree (Medium) [Read More]

1608 - Special Array With X Elements Greater Than or Equal X

Posted on April 25, 2020

Formatted question description: https://leetcode.ca/all/1608.html 1608. Special Array With X Elements Greater Than or Equal X (Easy) [Read More]

1607 - Sellers With No Sales

Posted on April 24, 2020

Formatted question description: https://leetcode.ca/all/1607.html 1607. Sellers With No Sales Level Easy [Read More]

1606 - Find Servers That Handled Most Number of Requests

Posted on April 23, 2020

Formatted question description: https://leetcode.ca/all/1606.html 1606. Find Servers That Handled Most Number of Requests (Hard) [Read More]

1605 - Find Valid Matrix Given Row and Column Sums

Posted on April 22, 2020

Formatted question description: https://leetcode.ca/all/1605.html 1605. Find Valid Matrix Given Row and Column Sums (Medium) [Read More]

1604 - Alert Using Same Key-Card Three or More Times in a One Hour Period

Posted on April 21, 2020

Formatted question description: https://leetcode.ca/all/1604.html 1604. Alert Using Same Key-Card Three or More Times in a One Hour Period (Medium) [Read More]

1603 - Design Parking System

Posted on April 20, 2020

Formatted question description: https://leetcode.ca/all/1603.html 1603. Design Parking System (Easy) [Read More]

Tags: .Design

1602 - Find Nearest Right Node in Binary Tree

Posted on April 19, 2020

Question [Read More]

Tags: Google

1601 - Maximum Number of Achievable Transfer Requests

Posted on April 18, 2020

Formatted question description: https://leetcode.ca/all/1601.html 1601. Maximum Number of Achievable Transfer Requests (Hard) [Read More]

1600 - Throne Inheritance

Posted on April 17, 2020

Formatted question description: https://leetcode.ca/all/1600.html 1600. Throne Inheritance (Medium) [Read More]

1599 - Maximum Profit of Operating a Centennial Wheel

Posted on April 16, 2020

Formatted question description: https://leetcode.ca/all/1599.html 1599. Maximum Profit of Operating a Centennial Wheel (Medium) [Read More]

1598 - Crawler Log Folder

Posted on April 15, 2020

Formatted question description: https://leetcode.ca/all/1598.html 1598. Crawler Log Folder (Easy) [Read More]

1597 - Build Binary Expression Tree From Infix Expression

Posted on April 14, 2020

Question [Read More]

Tags: .Star

1596 - The Most Frequently Ordered Products for Each Customer

Posted on April 13, 2020

Question [Read More]

Tags: SQL .SQL

1595 - Minimum Cost to Connect Two Groups of Points

Posted on April 12, 2020

Formatted question description: https://leetcode.ca/all/1595.html 1595. Minimum Cost to Connect Two Groups of Points (Hard) [Read More]

1594 - Maximum Non Negative Product in a Matrix

Posted on April 11, 2020

Formatted question description: https://leetcode.ca/all/1594.html 1594. Maximum Non Negative Product in a Matrix (Medium) [Read More]

1593 - Split a String Into the Max Number of Unique Substrings

Posted on April 10, 2020

Formatted question description: https://leetcode.ca/all/1593.html 1593. Split a String Into the Max Number of Unique Substrings (Medium) [Read More]

1592 - Rearrange Spaces Between Words

Posted on April 9, 2020

Formatted question description: https://leetcode.ca/all/1592.html 1592. Rearrange Spaces Between Words (Easy) [Read More]

1591 - Strange Printer II

Posted on April 8, 2020

Formatted question description: https://leetcode.ca/all/1591.html 1591. Strange Printer II (Hard) [Read More]

1590 - Make Sum Divisible by P

Posted on April 7, 2020

Formatted question description: https://leetcode.ca/all/1590.html 1590. Make Sum Divisible by P (Medium) [Read More]

1589 - Maximum Sum Obtained of Any Permutation

Posted on April 6, 2020

Formatted question description: https://leetcode.ca/all/1589.html 1589. Maximum Sum Obtained of Any Permutation (Medium) [Read More]

1588 - Sum of All Odd Length Subarrays

Posted on April 5, 2020

Formatted question description: https://leetcode.ca/all/1588.html 1588. Sum of All Odd Length Subarrays (Easy) [Read More]

1587 - Bank Account Summary II

Posted on April 4, 2020

Question [Read More]

Tags: Leetcode SQL .SQL

1586 - Binary Search Tree Iterator II

Posted on April 3, 2020

Formatted question description: https://leetcode.ca/all/1586.html [Read More]

1585 - Check If String Is Transformable With Substring Sort Operations

Posted on April 2, 2020

Formatted question description: https://leetcode.ca/all/1585.html 1585. Check If String Is Transformable With Substring Sort Operations (Hard) [Read More]

1584 - Min Cost to Connect All Points

Posted on April 1, 2020

Formatted question description: https://leetcode.ca/all/1584.html 1584. Min Cost to Connect All Points (Medium) [Read More]

1583 - Count Unhappy Friends

Posted on March 31, 2020

Formatted question description: https://leetcode.ca/all/1583.html 1583. Count Unhappy Friends (Medium) [Read More]

1582 - Special Positions in a Binary Matrix

Posted on March 30, 2020

Formatted question description: https://leetcode.ca/all/1582.html 1582. Special Positions in a Binary Matrix (Easy) [Read More]

1581 - Customer Who Visited but Did Not Make Any Transactions

Posted on March 29, 2020

Formatted question description: https://leetcode.ca/all/1581.html 1581. Customer Who Visited but Did Not Make Any Transactions Level Easy [Read More]

1580 - Put Boxes Into the Warehouse II

Posted on March 28, 2020

Formatted question description: https://leetcode.ca/all/1580.html 1580. Put Boxes Into the Warehouse II Level Medium [Read More]

1579 - Remove Max Number of Edges to Keep Graph Fully Traversable

Posted on March 27, 2020

Formatted question description: https://leetcode.ca/all/1579.html 1579. Remove Max Number of Edges to Keep Graph Fully Traversable (Hard) [Read More]

Tags: Uber

1578 - Minimum Deletion Cost to Avoid Repeating Letters

Posted on March 26, 2020

Formatted question description: https://leetcode.ca/all/1578.html 1578. Minimum Deletion Cost to Avoid Repeating Letters (Medium) [Read More]

1577 - Number of Ways Where Square of Number Is Equal to Product of Two Numbers

Posted on March 25, 2020

Formatted question description: https://leetcode.ca/all/1577.html 1577. Number of Ways Where Square of Number Is Equal to Product of Two Numbers (Medium) [Read More]

1576 - Replace All ?'s to Avoid Consecutive Repeating Characters

Posted on March 24, 2020

Formatted question description: https://leetcode.ca/all/1576.html 1576. Replace All ?’s to Avoid Consecutive Repeating Characters (Easy) [Read More]

1575 - Count All Possible Routes

Posted on March 23, 2020

Formatted question description: https://leetcode.ca/all/1575.html 1575. Count All Possible Routes (Hard) [Read More]

1574 - Shortest Subarray to be Removed to Make Array Sorted

Posted on March 22, 2020

Formatted question description: https://leetcode.ca/all/1574.html 1574. Shortest Subarray to be Removed to Make Array Sorted (Medium) [Read More]

1573 - Number of Ways to Split a String

Posted on March 21, 2020

Formatted question description: https://leetcode.ca/all/1573.html 1573. Number of Ways to Split a String (Medium) [Read More]

1572 - Matrix Diagonal Sum

Posted on March 20, 2020

Formatted question description: https://leetcode.ca/all/1572.html 1572. Matrix Diagonal Sum (Easy) [Read More]

1571 - Warehouse Manager

Posted on March 19, 2020

Formatted question description: https://leetcode.ca/all/1571.html 1571. Warehouse Manager Level Easy [Read More]

Tags: SQL

1570 - Dot Product of Two Sparse Vectors

Posted on March 18, 2020

Question Formatted question description: https://leetcode.ca/all/1570.html [Read More]

1569 - Number of Ways to Reorder Array to Get Same BST

Posted on March 17, 2020

Formatted question description: https://leetcode.ca/all/1569.html 1569. Number of Ways to Reorder Array to Get Same BST (Hard) [Read More]

1568 - Minimum Number of Days to Disconnect Island

Posted on March 16, 2020

Formatted question description: https://leetcode.ca/all/1568.html 1568. Minimum Number of Days to Disconnect Island (Medium) [Read More]

1567 - Maximum Length of Subarray With Positive Product

Posted on March 15, 2020

Formatted question description: https://leetcode.ca/all/1567.html 1567. Maximum Length of Subarray With Positive Product (Medium) [Read More]

1566 - Detect Pattern of Length M Repeated K or More Times

Posted on March 14, 2020

Formatted question description: https://leetcode.ca/all/1566.html 1566. Detect Pattern of Length M Repeated K or More Times (Easy) [Read More]

1565 - Unique Orders and Customers Per Month

Posted on March 13, 2020

Formatted question description: https://leetcode.ca/all/1565.html [Read More]

1564 - Put Boxes Into the Warehouse I

Posted on March 12, 2020

Formatted question description: https://leetcode.ca/all/1564.html 1564. Put Boxes Into the Warehouse I Level Medium [Read More]

1563 - Stone Game V

Posted on March 11, 2020

Formatted question description: https://leetcode.ca/all/1563.html 1563. Stone Game V (Hard) [Read More]

1562 - Find Latest Group of Size M

Posted on March 10, 2020

Formatted question description: https://leetcode.ca/all/1562.html 1562. Find Latest Group of Size M (Medium) [Read More]

1561 - Maximum Number of Coins You Can Get

Posted on March 9, 2020

Formatted question description: https://leetcode.ca/all/1561.html 1561. Maximum Number of Coins You Can Get (Medium) [Read More]

1560 - Most Visited Sector in a Circular Track

Posted on March 8, 2020

Formatted question description: https://leetcode.ca/all/1560.html 1560. Most Visited Sector in a Circular Track (Easy) [Read More]

1559 - Detect Cycles in 2D Grid

Posted on March 7, 2020

Formatted question description: https://leetcode.ca/all/1559.html Solution 1. DFS [Read More]

1558 - Minimum Numbers of Function Calls to Make Target Array

Posted on March 6, 2020

Formatted question description: https://leetcode.ca/all/1558.html 1558. Minimum Numbers of Function Calls to Make Target Array (Medium) [Read More]

1557 - Minimum Number of Vertices to Reach All Nodes

Posted on March 5, 2020

Formatted question description: https://leetcode.ca/all/1557.html 1557. Minimum Number of Vertices to Reach All Nodes (Medium) [Read More]

1556 - Thousand Separator

Posted on March 4, 2020

Formatted question description: https://leetcode.ca/all/1556.html 1556. Thousand Separator (Easy) [Read More]

1555 - Bank Account Summary

Posted on March 3, 2020

Question Formatted question description: https://leetcode.ca/all/1555.html [Read More]

Tags: .SQL

1554 - Strings Differ by One Character

Posted on March 2, 2020

Question [Read More]

1553 - Minimum Number of Days to Eat N Oranges

Posted on March 1, 2020

Formatted question description: https://leetcode.ca/all/1553.html 1553. Minimum Number of Days to Eat N Oranges (Hard) [Read More]

1552 - Magnetic Force Between Two Balls

Posted on February 29, 2020

Formatted question description: https://leetcode.ca/all/1552.html 1552. Magnetic Force Between Two Balls (Medium) [Read More]

1551 - Minimum Operations to Make Array Equal

Posted on February 28, 2020

Formatted question description: https://leetcode.ca/all/1551.html 1551. Minimum Operations to Make Array Equal (Medium) [Read More]

1550 - Three Consecutive Odds

Posted on February 27, 2020

Formatted question description: https://leetcode.ca/all/1550.html 1550. Three Consecutive Odds (Easy) [Read More]

1549 - The Most Recent Orders for Each Product

Posted on February 26, 2020

Formatted question description: https://leetcode.ca/all/1549.html 1549. The Most Recent Orders for Each Product Level Medium [Read More]

1548 - The Most Similar Path in a Graph

Posted on February 25, 2020

Formatted question description: https://leetcode.ca/all/1548.html 1548. The Most Similar Path in a Graph Level Hard [Read More]

1547 - Minimum Cost to Cut a Stick

Posted on February 24, 2020

Formatted question description: https://leetcode.ca/all/1547.html 1547. Minimum Cost to Cut a Stick (Hard) [Read More]

1546 - Maximum Number of Non-Overlapping Subarrays With Sum Equals Target

Posted on February 23, 2020

Formatted question description: https://leetcode.ca/all/1546.html 1546. Maximum Number of Non-Overlapping Subarrays With Sum Equals Target (Medium) [Read More]

1545 - Find Kth Bit in Nth Binary String

Posted on February 22, 2020

Formatted question description: https://leetcode.ca/all/1545.html 1545. Find Kth Bit in Nth Binary String (Medium) [Read More]

1544 - Make The String Great

Posted on February 21, 2020

Formatted question description: https://leetcode.ca/all/1544.html 1544. Make The String Great (Easy) [Read More]

1543 - Fix Product Name Format

Posted on February 20, 2020

Formatted question description: https://leetcode.ca/all/1543.html 1543. Fix Product Name Format Level Easy [Read More]

1542 - Find Longest Awesome Substring

Posted on February 19, 2020

Formatted question description: https://leetcode.ca/all/1542.html 1542. Find Longest Awesome Substring (Hard) [Read More]

1541 - Minimum Insertions to Balance a Parentheses String

Posted on February 18, 2020

Formatted question description: https://leetcode.ca/all/1541.html 1541. Minimum Insertions to Balance a Parentheses String (Medium) [Read More]

1540 - Can Convert String in K Moves

Posted on February 17, 2020

Formatted question description: https://leetcode.ca/all/1540.html 1540. Can Convert String in K Moves (Medium) [Read More]

1539 - Kth Missing Positive Number

Posted on February 16, 2020

Question [Read More]

1538 - Guess the Majority in a Hidden Array

Posted on February 15, 2020

Formatted question description: https://leetcode.ca/all/1538.html 1538. Guess the Majority in a Hidden Array Level Medium [Read More]

1537 - Get the Maximum Score

Posted on February 14, 2020

Formatted question description: https://leetcode.ca/all/1537.html 1537. Get the Maximum Score (Hard) [Read More]

1536 - Minimum Swaps to Arrange a Binary Grid

Posted on February 13, 2020

Formatted question description: https://leetcode.ca/all/1536.html 1536. Minimum Swaps to Arrange a Binary Grid (Medium) [Read More]

1535 - Find the Winner of an Array Game

Posted on February 12, 2020

Formatted question description: https://leetcode.ca/all/1535.html 1535. Find the Winner of an Array Game (Medium) [Read More]

1534 - Count Good Triplets

Posted on February 11, 2020

Formatted question description: https://leetcode.ca/all/1534.html 1534. Count Good Triplets (Easy) [Read More]

1533 - Find the Index of the Large Integer

Posted on February 10, 2020

Formatted question description: https://leetcode.ca/all/1533.html 1533. Find the Index of the Large Integer Level Medium [Read More]

1532 - The Most Recent Three Orders

Posted on February 9, 2020

Formatted question description: https://leetcode.ca/all/1532.html 1532. The Most Recent Three Orders Level Medium [Read More]

1531 - String Compression II

Posted on February 8, 2020

Formatted question description: https://leetcode.ca/all/1531.html 1531. String Compression II (Hard) [Read More]

1530 - Number of Good Leaf Nodes Pairs

Posted on February 7, 2020

Formatted question description: https://leetcode.ca/all/1530.html 1530. Number of Good Leaf Nodes Pairs Level Medium [Read More]

1529 - Bulb Switcher IV

Posted on February 6, 2020

Formatted question description: https://leetcode.ca/all/1529.html 1529. Bulb Switcher IV Level Medium [Read More]

1528 - Shuffle String

Posted on February 5, 2020

Formatted question description: https://leetcode.ca/all/1528.html 1528. Shuffle String Level Easy [Read More]

1527 - Patients With a Condition

Posted on February 4, 2020

Formatted question description: https://leetcode.ca/all/1527.html 1527. Patients With a Condition Level Easy [Read More]

1526 - Minimum Number of Increments on Subarrays to Form a Target Array

Posted on February 3, 2020

Formatted question description: https://leetcode.ca/all/1526.html 1526. Minimum Number of Increments on Subarrays to Form a Target Array (Hard) [Read More]

1525 - Number of Good Ways to Split a String

Posted on February 2, 2020

Formatted question description: https://leetcode.ca/all/1525.html 1525. Number of Good Ways to Split a String (Medium) [Read More]

1524 - Number of Sub-arrays With Odd Sum

Posted on February 1, 2020

Formatted question description: https://leetcode.ca/all/1524.html 1524. Number of Sub-arrays With Odd Sum (Medium) [Read More]

1523 - Count Odd Numbers in an Interval Range

Posted on January 31, 2020

Formatted question description: https://leetcode.ca/all/1523.html 1523. Count Odd Numbers in an Interval Range (Easy) [Read More]

1522 - Diameter of N-Ary Tree

Posted on January 30, 2020

Formatted question description: https://leetcode.ca/all/1522.html 1522. Diameter of N-Ary Tree Level Medium [Read More]

Tags: SQL

1521 - Find a Value of a Mysterious Function Closest to Target

Posted on January 29, 2020

Formatted question description: https://leetcode.ca/all/1521.html 1521. Find a Value of a Mysterious Function Closest to Target (Hard) [Read More]

1520 - Maximum Number of Non-Overlapping Substrings

Posted on January 28, 2020

Formatted question description: https://leetcode.ca/all/1520.html 1520. Maximum Number of Non-Overlapping Substrings (Medium) [Read More]

1519 - Number of Nodes in the Sub-Tree With the Same Label

Posted on January 27, 2020

Formatted question description: https://leetcode.ca/all/1519.html 1519. Number of Nodes in the Sub-Tree With the Same Label (Medium) [Read More]

1518 - Water Bottles

Posted on January 26, 2020

Formatted question description: https://leetcode.ca/all/1518.html 1518. Water Bottles (Easy) [Read More]

1517 - Find Users With Valid E-Mails

Posted on January 25, 2020

Formatted question description: https://leetcode.ca/all/1517.html 1517. Find Users With Valid E-Mails Level Easy [Read More]

1516 - Move Sub-Tree of N-Ary Tree

Posted on January 24, 2020

Formatted question description: https://leetcode.ca/all/1516.html 1516. Move Sub-Tree of N-Ary Tree Level Hard [Read More]

1515 - Best Position for a Service Centre

Posted on January 23, 2020

Formatted question description: https://leetcode.ca/all/1515.html 1515. Best Position for a Service Centre (Hard) [Read More]

1514 - Path with Maximum Probability

Posted on January 22, 2020

Formatted question description: https://leetcode.ca/all/1514.html 1514. Path with Maximum Probability (Medium) [Read More]

1513 - Number of Substrings With Only 1s

Posted on January 21, 2020

Formatted question description: https://leetcode.ca/all/1513.html 1513. Number of Substrings With Only 1s (Medium) [Read More]

1512 - Number of Good Pairs

Posted on January 20, 2020

Formatted question description: https://leetcode.ca/all/1512.html 1512. Number of Good Pairs (Easy) [Read More]

1511 - Customer Order Frequency

Posted on January 19, 2020

Formatted question description: https://leetcode.ca/all/1511.html 1511. Customer Order Frequency Level Easy [Read More]

1510 - Stone Game IV

Posted on January 18, 2020

Formatted question description: https://leetcode.ca/all/1510.html 1510. Stone Game IV (Hard) [Read More]

1509 - Minimum Difference Between Largest and Smallest Value in Three Moves

Posted on January 17, 2020

Formatted question description: https://leetcode.ca/all/1509.html 1509. Minimum Difference Between Largest and Smallest Value in Three Moves (Medium) [Read More]

1508 - Range Sum of Sorted Subarray Sums

Posted on January 16, 2020

Formatted question description: https://leetcode.ca/all/1508.html 1508. Range Sum of Sorted Subarray Sums (Medium) [Read More]

1507 - Reformat Date

Posted on January 15, 2020

Formatted question description: https://leetcode.ca/all/1507.html 1507. Reformat Date (Easy) [Read More]

1506 - Find Root of N-Ary Tree

Posted on January 14, 2020

Formatted question description: https://leetcode.ca/all/1506.html 1506. Find Root of N-Ary Tree Level Medium [Read More]

1505 - Minimum Possible Integer After at Most K Adjacent Swaps On Digits

Posted on January 13, 2020

Formatted question description: https://leetcode.ca/all/1505.html 1505. Minimum Possible Integer After at Most K Adjacent Swaps On Digits (Hard) [Read More]

1504 - Count Submatrices With All Ones

Posted on January 12, 2020

Question [Read More]

Tags: Google

1503 - Last Moment Before All Ants Fall Out of a Plank

Posted on January 11, 2020

Formatted question description: https://leetcode.ca/all/1503.html 1503. Last Moment Before All Ants Fall Out of a Plank (Medium) [Read More]

1502 - Can Make Arithmetic Progression From Sequence

Posted on January 10, 2020

Formatted question description: https://leetcode.ca/all/1502.html 1502. Can Make Arithmetic Progression From Sequence (Easy) [Read More]

1501 - Countries You Can Safely Invest In

Posted on January 9, 2020

Question [Read More]

Tags: SQL

1500 - Design a File Sharing System

Posted on January 8, 2020

Formatted question description: https://leetcode.ca/all/1500.html [Read More]

Tags: .Design .FollowUp

1499 - Max Value of Equation

Posted on January 7, 2020

Formatted question description: https://leetcode.ca/all/1499.html 1499. Max Value of Equation (Hard) [Read More]

1498 - Number of Subsequences That Satisfy the Given Sum Condition

Posted on January 6, 2020

Formatted question description: https://leetcode.ca/all/1498.html 1498. Number of Subsequences That Satisfy the Given Sum Condition (Medium) [Read More]

1497 - Check If Array Pairs Are Divisible by k

Posted on January 5, 2020

Formatted question description: https://leetcode.ca/all/1497.html 1497. Check If Array Pairs Are Divisible by k (Medium) [Read More]

1496 - Path Crossing

Posted on January 4, 2020

Formatted question description: https://leetcode.ca/all/1496.html 1496. Path Crossing (Easy) [Read More]

1495 - Friendly Movies Streamed Last Month

Posted on January 3, 2020

Formatted question description: https://leetcode.ca/all/1495.html 1495. Friendly Movies Streamed Last Month Level Easy [Read More]

1494 - Parallel Courses II

Posted on January 2, 2020

Question [Read More]

Tags: Google .Star

1493 - Longest Subarray of 1's After Deleting One Element

Posted on January 1, 2020

Formatted question description: https://leetcode.ca/all/1493.html 1493. Longest Subarray of 1’s After Deleting One Element (Medium) [Read More]

1492 - The kth Factor of n

Posted on December 31, 2019

Formatted question description: https://leetcode.ca/all/1492.html 1492. The kth Factor of n (Medium) [Read More]

1491 - Average Salary Excluding the Minimum and Maximum Salary

Posted on December 30, 2019

Formatted question description: https://leetcode.ca/all/1491.html 1491. Average Salary Excluding the Minimum and Maximum Salary (Easy) [Read More]

1490 - Clone N-ary Tree

Posted on December 29, 2019

Formatted question description: https://leetcode.ca/all/1490.html 1490. Clone N-ary Tree Level Medium [Read More]

1489 - Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree

Posted on December 28, 2019

Formatted question description: https://leetcode.ca/all/1489.html 1489. Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree (Hard) [Read More]

1488 - Avoid Flood in The City

Posted on December 27, 2019

Formatted question description: https://leetcode.ca/all/1488.html 1488. Avoid Flood in The City (Medium) [Read More]

1487 - Making File Names Unique

Posted on December 26, 2019

Formatted question description: https://leetcode.ca/all/1487.html 1487. Making File Names Unique (Medium) [Read More]

1486 - XOR Operation in an Array

Posted on December 25, 2019

Formatted question description: https://leetcode.ca/all/1486.html 1486. XOR Operation in an Array (Easy) [Read More]

1485 - Clone Binary Tree With Random Pointer

Posted on December 24, 2019

Question [Read More]

Tags: Amazon

1484 - Group Sold Products By The Date

Posted on December 23, 2019

Formatted question description: https://leetcode.ca/all/1484.html 1484. Clone Binary Tree With Random Pointer Level Medium [Read More]

1483 - Kth Ancestor of a Tree Node

Posted on December 22, 2019

Formatted question description: https://leetcode.ca/all/1483.html 1483. Kth Ancestor of a Tree Node (Hard) [Read More]

1482 - Minimum Number of Days to Make m Bouquets

Posted on December 21, 2019

Formatted question description: https://leetcode.ca/all/1482.html 1482. Minimum Number of Days to Make m Bouquets (Medium) [Read More]

1481 - Least Number of Unique Integers after K Removals

Posted on December 20, 2019

Formatted question description: https://leetcode.ca/all/1481.html 1481. Least Number of Unique Integers after K Removals (Medium) [Read More]

1480 - Running Sum of 1d Array

Posted on December 19, 2019

Question [Read More]

1479 - Sales by Day of the Week

Posted on December 18, 2019

Formatted question description: https://leetcode.ca/all/1479.html 1479. Sales by Day of the Week Level Hard [Read More]

Tags: Amazon .SQL

1478 - Allocate Mailboxes

Posted on December 17, 2019

Formatted question description: https://leetcode.ca/all/1478.html 1478. Allocate Mailboxes (Hard) [Read More]

1477 - Find Two Non-overlapping Sub-arrays Each With Target Sum

Posted on December 16, 2019

Formatted question description: https://leetcode.ca/all/1477.html [Read More]

1476 - Subrectangle Queries

Posted on December 15, 2019

Formatted question description: https://leetcode.ca/all/1476.html 1476. Subrectangle Queries (Medium) [Read More]

1475 - Final Prices With a Special Discount in a Shop

Posted on December 14, 2019

Formatted question description: https://leetcode.ca/all/1475.html 1475. Final Prices With a Special Discount in a Shop (Easy) [Read More]

1474 - Delete N Nodes After M Nodes of a Linked List

Posted on December 13, 2019

Formatted question description: https://leetcode.ca/all/1474.html 1474. Delete N Nodes After M Nodes of a Linked List Level Easy [Read More]

Tags: Microsoft

1473 - Paint House III

Posted on December 12, 2019

Formatted question description: https://leetcode.ca/all/1473.html 1473. Paint House III (Hard) [Read More]

1472 - Design Browser History

Posted on December 11, 2019

Question [Read More]

Tags: .Design

1471 - The k Strongest Values in an Array

Posted on December 10, 2019

Formatted question description: https://leetcode.ca/all/1471.html 1471. The k Strongest Values in an Array (Medium) [Read More]

1470 - Shuffle the Array

Posted on December 9, 2019

Formatted question description: https://leetcode.ca/all/1470.html 1470. Shuffle the Array (Easy) [Read More]

Tags: Microsoft

1469 - Find All The Lonely Nodes

Posted on December 8, 2019

Formatted question description: https://leetcode.ca/all/1469.html 1469. Find All the Lonely Nodes Level Easy [Read More]

Tags: Microsoft

1468 - Calculate Salaries

Posted on December 7, 2019

Formatted question description: https://leetcode.ca/all/1468.html 1468. Calculate Salaries Level Medium [Read More]

Tags: Adobe Amazon Apple Facebook Google Microsoft Walmart Labs Yahoo .SQL

1467 - Probability of a Two Boxes Having The Same Number of Distinct Balls

Posted on December 6, 2019

Formatted question description: https://leetcode.ca/all/1467.html 1467. Probability of a Two Boxes Having The Same Number of Distinct Balls (Hard) [Read More]

1466 - Reorder Routes to Make All Paths Lead to the City Zero

Posted on December 5, 2019

Formatted question description: https://leetcode.ca/all/1466.html 1466. Reorder Routes to Make All Paths Lead to the City Zero Level Medium [Read More]

1465 - Maximum Area of a Piece of Cake After Horizontal and Vertical Cuts

Posted on December 4, 2019

Formatted question description: https://leetcode.ca/all/1465.html 1465. Maximum Area of a Piece of Cake After Horizontal and Vertical Cuts Level Medium [Read More]

1464 - Maximum Product of Two Elements in an Array

Posted on December 3, 2019

Formatted question description: https://leetcode.ca/all/1464.html 1464. Maximum Product of Two Elements in an Array (Easy) [Read More]

1463 - Cherry Pickup II

Posted on December 2, 2019

Formatted question description: https://leetcode.ca/all/1463.html 1463. Cherry Pickup II (Hard) [Read More]

1462 - Course Schedule IV

Posted on December 1, 2019

Formatted question description: https://leetcode.ca/all/1462.html 1462. Course Schedule IV (Medium) [Read More]

1461 - Check If a String Contains All Binary Codes of Size K

Posted on November 30, 2019

Formatted question description: https://leetcode.ca/all/1461.html 1461. Check If a String Contains All Binary Codes of Size K (Medium) [Read More]

1460 - Make Two Arrays Equal by Reversing Sub-arrays

Posted on November 29, 2019

Formatted question description: https://leetcode.ca/all/1460.html 1460. Make Two Arrays Equal by Reversing Sub-arrays (Easy) [Read More]

1459 - Rectangles Area

Posted on November 28, 2019

Formatted question description: https://leetcode.ca/all/1459.html 1459. Rectangles Area Level Medium [Read More]

1458 - Max Dot Product of Two Subsequences

Posted on November 27, 2019

Formatted question description: https://leetcode.ca/all/1458.html 1458. Max Dot Product of Two Subsequences (Hard) [Read More]

1457 - Pseudo-Palindromic Paths in a Binary Tree

Posted on November 26, 2019

Formatted question description: https://leetcode.ca/all/1457.html 1457. Pseudo-Palindromic Paths in a Binary Tree (Medium) [Read More]

1456 - Maximum Number of Vowels in a Substring of Given Length

Posted on November 25, 2019

Formatted question description: https://leetcode.ca/all/1456.html 1456. Maximum Number of Vowels in a Substring of Given Length (Medium) [Read More]

1455 - Check If a Word Occurs As a Prefix of Any Word in a Sentence

Posted on November 24, 2019

Formatted question description: https://leetcode.ca/all/1455.html 1455. Check If a Word Occurs As a Prefix of Any Word in a Sentence (Easy) [Read More]

1454 - Active Users

Posted on November 23, 2019

Formatted question description: https://leetcode.ca/all/1454.html 1454. Active Users Level Medium [Read More]

1453 - Maximum Number of Darts Inside of a Circular Dartboard

Posted on November 22, 2019

Formatted question description: https://leetcode.ca/all/1453.html 1453. Maximum Number of Darts Inside of a Circular Dartboard Level Hard [Read More]

1452 - People Whose List of Favorite Companies Is Not a Subset of Another List

Posted on November 21, 2019

Formatted question description: https://leetcode.ca/all/1452.html 1452. People Whose List of Favorite Companies Is Not a Subset of Another List (Medium) [Read More]

1451 - Rearrange Words in a Sentence

Posted on November 20, 2019

Formatted question description: https://leetcode.ca/all/1451.html 1451. Rearrange Words in a Sentence Level Medium [Read More]

1450 - Number of Students Doing Homework at a Given Time

Posted on November 19, 2019

Formatted question description: https://leetcode.ca/all/1450.html 1450. Number of Students Doing Homework at a Given Time Level Easy [Read More]

1449 - Form Largest Integer With Digits That Add up to Target

Posted on November 18, 2019

Formatted question description: https://leetcode.ca/all/1449.html 1449. Form Largest Integer With Digits That Add up to Target (Hard) [Read More]

1448 - Count Good Nodes in Binary Tree

Posted on November 17, 2019

Formatted question description: https://leetcode.ca/all/1448.html 1448. Count Good Nodes in Binary Tree (Medium) [Read More]

1447 - Simplified Fractions

Posted on November 16, 2019

Formatted question description: https://leetcode.ca/all/1447.html 1447. Simplified Fractions (Medium) [Read More]

1446 - Consecutive Characters

Posted on November 15, 2019

Formatted question description: https://leetcode.ca/all/1446.html 1446. Consecutive Characters (Easy) [Read More]

1445 - Apples & Oranges

Posted on November 14, 2019

Formatted question description: https://leetcode.ca/all/1445.html 1445. Apples & Oranges Level Medium [Read More]

1444 - Number of Ways of Cutting a Pizza

Posted on November 13, 2019

Formatted question description: https://leetcode.ca/all/1444.html 1444. Number of Ways of Cutting a Pizza (Hard) [Read More]

1443 - Minimum Time to Collect All Apples in a Tree

Posted on November 12, 2019

Formatted question description: https://leetcode.ca/all/1443.html 1443. Minimum Time to Collect All Apples in a Tree (Medium) [Read More]

1442 - Count Triplets That Can Form Two Arrays of Equal XOR

Posted on November 11, 2019

Formatted question description: https://leetcode.ca/all/1442.html 1442. Count Triplets That Can Form Two Arrays of Equal XOR Level Medium [Read More]

1441 - Build an Array With Stack Operations

Posted on November 10, 2019

Formatted question description: https://leetcode.ca/all/1441.html Build an Array With Stack Operations [Read More]

1440 - Evaluate Boolean Expression

Posted on November 9, 2019

Formatted question description: https://leetcode.ca/all/1440.html 1440. Evaluate Boolean Expression Level Medium [Read More]

1439 - Find the Kth Smallest Sum of a Matrix With Sorted Rows

Posted on November 8, 2019

Formatted question description: https://leetcode.ca/all/1439.html 1439. Find the Kth Smallest Sum of a Matrix With Sorted Rows (Hard) [Read More]

1438 - Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit

Posted on November 7, 2019

Formatted question description: https://leetcode.ca/all/1438.html 1438. Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit (Medium) [Read More]

1437 - Check If All 1's Are at Least Length K Places Away

Posted on November 6, 2019

Formatted question description: https://leetcode.ca/all/1437.html 1437. Check If All 1’s Are at Least Length K Places Away (Medium) [Read More]

1436 - Destination City

Posted on November 5, 2019

Formatted question description: https://leetcode.ca/all/1436.html 1436. Destination City (Easy) [Read More]

1435 - Create a Session Bar Chart

Posted on November 4, 2019

Formatted question description: https://leetcode.ca/all/1435.html 1435. Create a Session Bar Chart Level Easy [Read More]

1434 - Number of Ways to Wear Different Hats to Each Other

Posted on November 3, 2019

Formatted question description: https://leetcode.ca/all/1434.html 1434. Number of Ways to Wear Different Hats to Each Other (Hard) [Read More]

1433 - Check If a String Can Break Another String

Posted on November 2, 2019

Formatted question description: https://leetcode.ca/all/1433.html 1433. Check If a String Can Break Another String Level Medium [Read More]

1432 - Max Difference You Can Get From Changing an Integer

Posted on November 1, 2019

Formatted question description: https://leetcode.ca/all/1432.html 1432. Max Difference You Can Get From Changing an Integer Level Medium [Read More]

1431 - Kids With the Greatest Number of Candies

Posted on October 31, 2019

Formatted question description: https://leetcode.ca/all/1431.html 1431. Kids With the Greatest Number of Candies Level Easy [Read More]

1430 - Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree

Posted on October 30, 2019

Formatted question description: https://leetcode.ca/all/1430.html 1430. Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree (Medium) [Read More]

Tags: 23me

1429 - First Unique Number

Posted on October 29, 2019

Formatted question description: https://leetcode.ca/all/1429.html 1429. First Unique Number (Medium) [Read More]

Tags: Amazon

1428 - Leftmost Column with at Least a One

Posted on October 28, 2019

Formatted question description: https://leetcode.ca/all/1428.html 1428. Leftmost Column with at Least a One (Medium) [Read More]

1427 - Perform String Shifts

Posted on October 27, 2019

Formatted question description: https://leetcode.ca/all/1427.html 1427. Perform String Shifts Level Easy [Read More]

Tags: Goldman Sachs

1426 - Counting Elements

Posted on October 26, 2019

Formatted question description: https://leetcode.ca/all/1426.html 1426. Counting Elements Level Easy [Read More]

Tags: DRW

1425 - Constrained Subsequence Sum

Posted on October 25, 2019

Formatted question description: https://leetcode.ca/all/1425.html 1425. Constrained Subsequence Sum (Hard) [Read More]

1424 - Diagonal Traverse II

Posted on October 24, 2019

Formatted question description: https://leetcode.ca/all/1424.html 1424. Diagonal Traverse II (Medium) [Read More]

1423 - Maximum Points You Can Obtain from Cards

Posted on October 23, 2019

Formatted question description: https://leetcode.ca/all/1423.html 1423. Maximum Points You Can Obtain from Cards (Medium) [Read More]

1422 - Maximum Score After Splitting a String

Posted on October 22, 2019

Formatted question description: https://leetcode.ca/all/1422.html 1422. Maximum Score After Splitting a String (Easy) [Read More]

1421 - NPV Queries

Posted on October 21, 2019

Formatted question description: https://leetcode.ca/all/1421.html 1421. NPV Queries Level Medium [Read More]

1420 - Build Array Where You Can Find The Maximum Exactly K Comparisons

Posted on October 20, 2019

Formatted question description: https://leetcode.ca/all/1420.html 1420. Build Array Where You Can Find The Maximum Exactly K Comparisons (Hard) [Read More]

1419 - Minimum Number of Frogs Croaking

Posted on October 19, 2019

Question [Read More]

Tags: .Star

1418 - Display Table of Food Orders in a Restaurant

Posted on October 18, 2019

Formatted question description: https://leetcode.ca/all/1418.html 1418. Display Table of Food Orders in a Restaurant Level Medium [Read More]

1417 - Reformat The String

Posted on October 17, 2019

Formatted question description: https://leetcode.ca/all/1417.html 1417. Reformat The String Level Easy [Read More]

1416 - Restore The Array

Posted on October 16, 2019

Formatted question description: https://leetcode.ca/all/1416.html 1416. Restore The Array (Hard) [Read More]

1415 - The k-th Lexicographical String of All Happy Strings of Length n

Posted on October 15, 2019

Formatted question description: https://leetcode.ca/all/1415.html 1415. The k-th Lexicographical String of All Happy Strings of Length n (Medium) [Read More]

1414 - Find the Minimum Number of Fibonacci Numbers Whose Sum Is K

Posted on October 14, 2019

Formatted question description: https://leetcode.ca/all/1414.html 1414. Find the Minimum Number of Fibonacci Numbers Whose Sum Is K (Medium) [Read More]

1413 - Minimum Value to Get Positive Step by Step Sum

Posted on October 13, 2019

Formatted question description: https://leetcode.ca/all/1413.html 1413. Minimum Value to Get Positive Step by Step Sum (Easy) [Read More]

1412 - Find the Quiet Students in All Exams

Posted on October 12, 2019

Question [Read More]

Tags: Leetcode SQL

1411 - Number of Ways to Paint N * 3 Grid

Posted on October 11, 2019

Formatted question description: https://leetcode.ca/all/1411.html 1411. Number of Ways to Paint N × 3 Grid (Hard) [Read More]

1410 - HTML Entity Parser

Posted on October 10, 2019

Question [Read More]

Tags: Oracle

1409 - Queries on a Permutation With Key

Posted on October 9, 2019

Formatted question description: https://leetcode.ca/all/1409.html 1409. Queries on a Permutation With Key (Medium) [Read More]

1408 - String Matching in an Array

Posted on October 8, 2019

Formatted question description: https://leetcode.ca/all/1408.html 1408. String Matching in an Array (Easy) [Read More]

1407 - Top Travellers

Posted on October 7, 2019

Question [Read More]

Tags: Leetcode SQL .SQL

1406 - Stone Game III

Posted on October 6, 2019

Formatted question description: https://leetcode.ca/all/1406.html 1406. Stone Game III (Hard) [Read More]

1405 - Longest Happy String

Posted on October 5, 2019

Formatted question description: https://leetcode.ca/all/1405.html 1405. Longest Happy String (Medium) [Read More]

1404 - Number of Steps to Reduce a Number in Binary Representation to One

Posted on October 4, 2019

Formatted question description: https://leetcode.ca/all/1404.html 1404. Number of Steps to Reduce a Number in Binary Representation to One (Medium) [Read More]

1403 - Minimum Subsequence in Non-Increasing Order

Posted on October 3, 2019

Formatted question description: https://leetcode.ca/all/1403.html 1403. Minimum Subsequence in Non-Increasing Order (Easy) [Read More]

1402 - Reducing Dishes

Posted on October 2, 2019

Formatted question description: https://leetcode.ca/all/1402.html 1402. Reducing Dishes (Hard) [Read More]

1401 - Circle and Rectangle Overlapping

Posted on October 1, 2019

Formatted question description: https://leetcode.ca/all/1401.html 1401. Circle and Rectangle Overlapping (Medium) [Read More]

1400 - Construct K Palindrome Strings

Posted on September 30, 2019

Formatted question description: https://leetcode.ca/all/1400.html 1400. Construct K Palindrome Strings (Medium) [Read More]

1399 - Count Largest Group

Posted on September 29, 2019

Formatted question description: https://leetcode.ca/all/1399.html 1399. Count Largest Group (Easy) [Read More]

1398 - Customers Who Bought Products A and B but Not C

Posted on September 28, 2019

Formatted question description: https://leetcode.ca/all/1398.html 1398. Customers Who Bought Products A and B but Not C Level Medium [Read More]

Tags: Facebook

1397 - Find All Good Strings

Posted on September 27, 2019

Formatted question description: https://leetcode.ca/all/1397.html 1397. Find All Good Strings (Hard) [Read More]

1396 - Design Underground System

Posted on September 26, 2019

Formatted question description: https://leetcode.ca/all/1396.html [Read More]

Tags: .Design

1395 - Count Number of Teams

Posted on September 25, 2019

Formatted question description: https://leetcode.ca/all/1395.html 1395. Count Number of Teams Level Medium [Read More]

1394 - Find Lucky Integer in an Array

Posted on September 24, 2019

Formatted question description: https://leetcode.ca/all/1394.html 1394. Find Lucky Integer in an Array Level Easy [Read More]

1393 - Capital Gain Loss

Posted on September 23, 2019

Formatted question description: https://leetcode.ca/all/1393.html 1393. Capital Gain Loss Level Medium [Read More]

Tags: SQL

1392 - Longest Happy Prefix

Posted on September 22, 2019

Formatted question description: https://leetcode.ca/all/1392.html 1392. Longest Happy Prefix (Hard) [Read More]

1391 - Check if There is a Valid Path in a Grid

Posted on September 21, 2019

Formatted question description: https://leetcode.ca/all/1391.html 1391. Check if There is a Valid Path in a Grid (Medium) [Read More]

1390 - Four Divisors

Posted on September 20, 2019

Formatted question description: https://leetcode.ca/all/1390.html 1390. Four Divisors (Medium) [Read More]

1389 - Create Target Array in the Given Order

Posted on September 19, 2019

Formatted question description: https://leetcode.ca/all/1389.html 1389. Create Target Array in the Given Order (Easy) [Read More]

1388 - Pizza With 3n Slices

Posted on September 18, 2019

Formatted question description: https://leetcode.ca/all/1388.html 1388. Pizza With 3n Slices (Hard) [Read More]

1387 - Sort Integers by The Power Value

Posted on September 17, 2019

Formatted question description: https://leetcode.ca/all/1387.html 1387. Sort Integers by The Power Value (Medium) [Read More]

1386 - Cinema Seat Allocation

Posted on September 16, 2019

Formatted question description: https://leetcode.ca/all/1386.html 1386. Cinema Seat Allocation (Medium) [Read More]

1385 - Find the Distance Value Between Two Arrays

Posted on September 15, 2019

Formatted question description: https://leetcode.ca/all/1385.html 1385. Find the Distance Value Between Two Arrays (Easy) [Read More]

1384 - Total Sales Amount by Year

Posted on September 14, 2019

Formatted question description: https://leetcode.ca/all/1384.html 1384. Total Sales Amount by Year Level Hard [Read More]

1383 - Maximum Performance of a Team

Posted on September 13, 2019

Formatted question description: https://leetcode.ca/all/1383.html 1383. Maximum Performance of a Team (Hard) [Read More]

1382 - Balance a Binary Search Tree

Posted on September 12, 2019

Formatted question description: https://leetcode.ca/all/1382.html 1382. Balance a Binary Search Tree (Medium) [Read More]

1381 - Design a Stack With Increment Operation

Posted on September 11, 2019

Formatted question description: https://leetcode.ca/all/1381.html 1381. Design a Stack With Increment Operation (Medium) [Read More]

Tags: .Design

1380 - Lucky Numbers in a Matrix

Posted on September 10, 2019

Formatted question description: https://leetcode.ca/all/1380.html [Read More]

Tags: Oracle

1379 - Find a Corresponding Node of a Binary Tree in a Clone of That Tree

Posted on September 9, 2019

Formatted question description: https://leetcode.ca/all/1379.html 1379. Find a Corresponding Node of a Binary Tree in a Clone of That Tree (Medium) [Read More]

1378 - Replace Employee ID With The Unique Identifier

Posted on September 8, 2019

Formatted question description: https://leetcode.ca/all/1378.html 1378. Replace Employee ID With The Unique Identifier Level Easy [Read More]

1377 - Frog Position After T Seconds

Posted on September 7, 2019

Formatted question description: https://leetcode.ca/all/1377.html 1377. Frog Position After T Seconds (Hard) [Read More]

1376 - Time Needed to Inform All Employees

Posted on September 6, 2019

Formatted question description: https://leetcode.ca/all/1376.html 1376. Time Needed to Inform All Employees (Medium) [Read More]

1375 - Bulb Switcher III

Posted on September 5, 2019

Java [Read More]

1374 - Generate a String With Characters That Have Odd Counts

Posted on September 4, 2019

Formatted question description: https://leetcode.ca/all/1374.html 1374. Generate a String With Characters That Have Odd Counts (Easy) [Read More]

1373 - Maximum Sum BST in Binary Tree

Posted on September 3, 2019

Formatted question description: https://leetcode.ca/all/1373.html 1373. Maximum Sum BST in Binary Tree (Hard) [Read More]

1372 - Longest ZigZag Path in a Binary Tree

Posted on September 2, 2019

Formatted question description: https://leetcode.ca/all/1372.html 1372. Longest ZigZag Path in a Binary Tree (Medium) [Read More]

1371 - Find the Longest Substring Containing Vowels in Even Counts

Posted on September 1, 2019

Formatted question description: https://leetcode.ca/all/1371.html 1371. Find the Longest Substring Containing Vowels in Even Counts (Medium) [Read More]

1370 - Increasing Decreasing String

Posted on August 31, 2019

Question [Read More]

Tags: Akuna Capital

1369 - Get the Second Most Recent Activity

Posted on August 30, 2019

Formatted question description: https://leetcode.ca/all/1369.html 1369. Get the Second Most Recent Activity Level Hard [Read More]

1368 - Minimum Cost to Make at Least One Valid Path in a Grid

Posted on August 29, 2019

Formatted question description: https://leetcode.ca/all/1368.html 1368. Minimum Cost to Make at Least One Valid Path in a Grid (Hard) [Read More]

1367 - Linked List in Binary Tree

Posted on August 28, 2019

Formatted question description: https://leetcode.ca/all/1367.html 1367. Linked List in Binary Tree (Medium) [Read More]

1366 - Rank Teams by Votes

Posted on August 27, 2019

Formatted question description: https://leetcode.ca/all/1366.html 1366. Rank Teams by Votes Level Medium [Read More]

1365 - How Many Numbers Are Smaller Than the Current Number

Posted on August 26, 2019

Formatted question description: https://leetcode.ca/all/1365.html 1365. How Many Numbers Are Smaller Than the Current Number Level Easy [Read More]

1364 - Number of Trusted Contacts of a Customer

Posted on August 25, 2019

Formatted question description: https://leetcode.ca/all/1364.html 1364. Number of Trusted Contacts of a Customer Level Medium [Read More]

Tags: Roblox

1363 - Largest Multiple of Three

Posted on August 24, 2019

Formatted question description: https://leetcode.ca/all/1363.html 1363. Largest Multiple of Three (Hard) [Read More]

1362 - Closest Divisors

Posted on August 23, 2019

Formatted question description: https://leetcode.ca/all/1362.html 1362. Closest Divisors Level Medium [Read More]

1361 - Validate Binary Tree Nodes

Posted on August 22, 2019

Formatted question description: https://leetcode.ca/all/1361.html 1361. Validate Binary Tree Nodes (Medium) [Read More]

1360 - Number of Days Between Two Dates

Posted on August 21, 2019

Formatted question description: https://leetcode.ca/all/1360.html 1360. Number of Days Between Two Dates (Easy) [Read More]

1359 - Count All Valid Pickup and Delivery Options

Posted on August 20, 2019

Formatted question description: https://leetcode.ca/all/1359.html 1359. Count All Valid Pickup and Delivery Options (Hard) [Read More]

1358 - Number of Substrings Containing All Three Characters

Posted on August 19, 2019

Formatted question description: https://leetcode.ca/all/1358.html 1358. Number of Substrings Containing All Three Characters (Medium) [Read More]

1357 - Apply Discount Every n Orders

Posted on August 18, 2019

Formatted question description: https://leetcode.ca/all/1357.html 1357. Apply Discount Every n Orders (Medium) [Read More]

1356 - Sort Integers by The Number of 1 Bits

Posted on August 17, 2019

Formatted question description: https://leetcode.ca/all/1356.html 1356. Sort Integers by The Number of 1 Bits (Easy) [Read More]

1355 - Activity Participants

Posted on August 16, 2019

Formatted question description: https://leetcode.ca/all/1355.html 1355. Activity Participants Level Medium [Read More]

Tags: IBM

1354 - Construct Target Array With Multiple Sums

Posted on August 15, 2019

Formatted question description: https://leetcode.ca/all/1354.html 1354. Construct Target Array With Multiple Sums (Hard) [Read More]

1353 - Maximum Number of Events That Can Be Attended

Posted on August 14, 2019

Formatted question description: https://leetcode.ca/all/1353.html 1353. Maximum Number of Events That Can Be Attended (Medium) [Read More]

1352 - Product of the Last K Numbers

Posted on August 13, 2019

Formatted question description: https://leetcode.ca/all/1352.html 1352. Product of the Last K Numbers (Medium) [Read More]

1351 - Count Negative Numbers in a Sorted Matrix

Posted on August 12, 2019

Formatted question description: https://leetcode.ca/all/1351.html 1351. Count Negative Numbers in a Sorted Matrix (Easy) [Read More]

1350 - Students With Invalid Departments

Posted on August 11, 2019

Formatted question description: https://leetcode.ca/all/1350.html 1350. Students With Invalid Departments Level Easy [Read More]

Tags: Amazon

1349 - Maximum Students Taking Exam

Posted on August 10, 2019

Formatted question description: https://leetcode.ca/all/1349.html 1349. Maximum Students Taking Exam (Hard) [Read More]

1348 - Tweet Counts Per Frequency

Posted on August 9, 2019

Formatted question description: https://leetcode.ca/all/1348.html 1348. Tweet Counts Per Frequency (Medium) [Read More]

1347 - Minimum Number of Steps to Make Two Strings Anagram

Posted on August 8, 2019

Formatted question description: https://leetcode.ca/all/1347.html 1347. Minimum Number of Steps to Make Two Strings Anagram (Medium) [Read More]

1346 - Check If N and Its Double Exist

Posted on August 7, 2019

Formatted question description: https://leetcode.ca/all/1346.html 1346. Check If N and Its Double Exist (Easy) [Read More]

1345 - Jump Game IV

Posted on August 6, 2019

Question [Read More]

Tags: .Star

1344 - Angle Between Hands of a Clock

Posted on August 5, 2019

Formatted question description: https://leetcode.ca/all/1344.html 1344. Angle Between Hands of a Clock (Medium) [Read More]

1343 - Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold

Posted on August 4, 2019

Formatted question description: https://leetcode.ca/all/1343.html 1343. Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold (Medium) [Read More]

1342 - Number of Steps to Reduce a Number to Zero

Posted on August 3, 2019

Formatted question description: https://leetcode.ca/all/1342.html 1342. Number of Steps to Reduce a Number to Zero (Easy) [Read More]

1341 - Movie Rating

Posted on August 2, 2019

Question [Read More]

Tags: SAP

1340 - Jump Game V

Posted on August 1, 2019

Formatted question description: https://leetcode.ca/all/1340.html 1340. Jump Game V (Hard) [Read More]

1339 - Maximum Product of Splitted Binary Tree

Posted on July 31, 2019

Formatted question description: https://leetcode.ca/all/1339.html 1339. Maximum Product of Splitted Binary Tree (Medium) [Read More]

1338 - Reduce Array Size to The Half

Posted on July 30, 2019

Formatted question description: https://leetcode.ca/all/1338.html 1338. Reduce Array Size to The Half (Medium) [Read More]

1337 - The K Weakest Rows in a Matrix

Posted on July 29, 2019

Formatted question description: https://leetcode.ca/all/1337.html 1337. The K Weakest Rows in a Matrix Level Easy [Read More]

1336 - Number of Transactions per Visit

Posted on July 28, 2019

Formatted question description: https://leetcode.ca/all/1336.html 1336. Number of Transactions per Visit Level Hard [Read More]

Tags: MachineZone

1335 - Minimum Difficulty of a Job Schedule

Posted on July 27, 2019

Formatted question description: https://leetcode.ca/all/1335.html 1335. Minimum Difficulty of a Job Schedule (Hard) [Read More]

1334 - Find the City With the Smallest Number of Neighbors at a Threshold Distance

Posted on July 26, 2019

Formatted question description: https://leetcode.ca/all/1334.html 1334. Find the City With the Smallest Number of Neighbors at a Threshold Distance (Medium) [Read More]

1333 - Filter Restaurants by Vegan-Friendly, Price and Distance

Posted on July 25, 2019

Formatted question description: https://leetcode.ca/all/1333.html 1333. Filter Restaurants by Vegan-Friendly, Price and Distance (Medium) [Read More]

1332 - Remove Palindromic Subsequences

Posted on July 24, 2019

Formatted question description: https://leetcode.ca/all/1332.html 1332. Remove Palindromic Subsequences (Easy) [Read More]

1331 - Rank Transform of an Array

Posted on July 23, 2019

Formatted question description: https://leetcode.ca/all/1331.html 1331. Rank Transform of an Array (Easy) [Read More]

1330 - Reverse Subarray To Maximize Array Value

Posted on July 22, 2019

Formatted question description: https://leetcode.ca/all/1330.html 1330. Reverse Subarray To Maximize Array Value (Hard) [Read More]

1329 - Sort the Matrix Diagonally

Posted on July 21, 2019

Formatted question description: https://leetcode.ca/all/1329.html 1329. Sort the Matrix Diagonally (Medium) [Read More]

1328 - Break a Palindrome

Posted on July 20, 2019

Formatted question description: https://leetcode.ca/all/1328.html 1328. Break a Palindrome (Medium) [Read More]

Tags: Expedia VMware

1327 - List the Products Ordered in a Period

Posted on July 19, 2019

Formatted question description: https://leetcode.ca/all/1327.html 1327. List the Products Ordered in a Period Level Easy [Read More]

Tags: Amazon

1326 - Minimum Number of Taps to Open to Water a Garden

Posted on July 18, 2019

Formatted question description: https://leetcode.ca/all/1326.html 1326. Minimum Number of Taps to Open to Water a Garden (Hard) [Read More]

1325 - Delete Leaves With a Given Value

Posted on July 17, 2019

Formatted question description: https://leetcode.ca/all/1325.html 1325. Delete Leaves With a Given Value (Medium) [Read More]

1324 - Print Words Vertically

Posted on July 16, 2019

Formatted question description: https://leetcode.ca/all/1324.html 1324. Print Words Vertically (Medium) [Read More]

1323 - Maximum 69 Number

Posted on July 15, 2019

Formatted question description: https://leetcode.ca/all/1323.html 1323. Maximum 69 Number (Easy) [Read More]

1322 - Ads Performance

Posted on July 14, 2019

Formatted question description: https://leetcode.ca/all/1322.html 1322. Ads Performance Level Easy [Read More]

Tags: Facebook

1321 - Restaurant Growth

Posted on July 13, 2019

Formatted question description: https://leetcode.ca/all/1321.html 1321. Restaurant Growth Level Medium [Read More]

Tags: Point72

1320 - Minimum Distance to Type a Word Using Two Fingers

Posted on July 12, 2019

Formatted question description: https://leetcode.ca/all/1320.html 1320. Minimum Distance to Type a Word Using Two Fingers (Hard) [Read More]

1319 - Number of Operations to Make Network Connected

Posted on July 11, 2019

Formatted question description: https://leetcode.ca/all/1319.html 1319. Number of Operations to Make Network Connected (Medium) [Read More]

1318 - Minimum Flips to Make a OR b Equal to c

Posted on July 10, 2019

Formatted question description: https://leetcode.ca/all/1318.html 1318. Minimum Flips to Make a OR b Equal to c (Medium) [Read More]

1317 - Convert Integer to the Sum of Two No-Zero Integers

Posted on July 9, 2019

Formatted question description: https://leetcode.ca/all/1317.html 1317. Convert Integer to the Sum of Two No-Zero Integers (Easy) [Read More]

1316 - Distinct Echo Substrings

Posted on July 8, 2019

Formatted question description: https://leetcode.ca/all/1316.html 1316. Distinct Echo Substrings (Hard) [Read More]

1315 - Sum of Nodes with Even-Valued Grandparent

Posted on July 7, 2019

Formatted question description: https://leetcode.ca/all/1315.html 1315. Sum of Nodes with Even-Valued Grandparent (Medium) [Read More]

1314 - Matrix Block Sum

Posted on July 6, 2019

Formatted question description: https://leetcode.ca/all/1314.html 1314. Matrix Block Sum (Medium) [Read More]

1313 - Decompress Run-Length Encoded List

Posted on July 5, 2019

Formatted question description: https://leetcode.ca/all/1313.html 1313. Decompress Run-Length Encoded List (Easy) [Read More]

1312 - Minimum Insertion Steps to Make a String Palindrome

Posted on July 4, 2019

Formatted question description: https://leetcode.ca/all/1312.html 1312. Minimum Insertion Steps to Make a String Palindrome (Hard) [Read More]

1311 - Get Watched Videos by Your Friends

Posted on July 3, 2019

Formatted question description: https://leetcode.ca/all/1311.html 1311. Get Watched Videos by Your Friends (Medium) [Read More]

1310 - XOR Queries of a Subarray

Posted on July 2, 2019

Formatted question description: https://leetcode.ca/all/1310.html 1310. XOR Queries of a Subarray (Medium) [Read More]

1309 - Decrypt String from Alphabet to Integer Mapping

Posted on July 1, 2019

Formatted question description: https://leetcode.ca/all/1309.html 1309. Decrypt String from Alphabet to Integer Mapping (Easy) [Read More]

1308 - Running Total for Different Genders

Posted on June 30, 2019

Formatted question description: https://leetcode.ca/all/1308.html 1308. Running Total for Different Genders Level Medium [Read More]

1307 - Verbal Arithmetic Puzzle

Posted on June 29, 2019

Formatted question description: https://leetcode.ca/all/1307.html 1307. Verbal Arithmetic Puzzle (Hard) [Read More]

1306 - Jump Game III

Posted on June 28, 2019

Formatted question description: https://leetcode.ca/all/1306.html 1306. Jump Game III (Medium) [Read More]

1305 - All Elements in Two Binary Search Trees

Posted on June 27, 2019

Formatted question description: https://leetcode.ca/all/1305.html 1305. All Elements in Two Binary Search Trees (Medium) [Read More]

1304 - Find N Unique Integers Sum up to Zero

Posted on June 26, 2019

Formatted question description: https://leetcode.ca/all/1304.html 1304. Find N Unique Integers Sum up to Zero (Easy) [Read More]

1303 - Find the Team Size

Posted on June 25, 2019

Formatted question description: https://leetcode.ca/all/1303.html 1303. Find the Team Size Level Easy [Read More]

Tags: Amazon

1302 - Deepest Leaves Sum

Posted on June 24, 2019

Formatted question description: https://leetcode.ca/all/1302.html 1302. Deepest Leaves Sum (Medium) [Read More]

1301 - Number of Paths with Max Score

Posted on June 23, 2019

Formatted question description: https://leetcode.ca/all/1301.html 1301. Number of Paths with Max Score (Hard) [Read More]

1300 - Sum of Mutated Array Closest to Target

Posted on June 22, 2019

Formatted question description: https://leetcode.ca/all/1300.html 1300. Sum of Mutated Array Closest to Target (Medium) [Read More]

1299 - Replace Elements with Greatest Element on Right Side

Posted on June 21, 2019

Formatted question description: https://leetcode.ca/all/1299.html 1299. Replace Elements with Greatest Element on Right Side (Easy) [Read More]

1298 - Maximum Candies You Can Get from Boxes

Posted on June 20, 2019

Formatted question description: https://leetcode.ca/all/1298.html 1298. Maximum Candies You Can Get from Boxes (Hard) [Read More]

1297 - Maximum Number of Occurrences of a Substring

Posted on June 19, 2019

Formatted question description: https://leetcode.ca/all/1297.html 1297. Maximum Number of Occurrences of a Substring Level Medium [Read More]

1296 - Divide Array in Sets of K Consecutive Numbers

Posted on June 18, 2019

Formatted question description: https://leetcode.ca/all/1296.html 1296. Divide Array in Sets of K Consecutive Numbers (Medium) [Read More]

1295 - Find Numbers with Even Number of Digits

Posted on June 17, 2019

Formatted question description: https://leetcode.ca/all/1295.html 1295. Find Numbers with Even Number of Digits (Easy) [Read More]

1294 - Weather Type in Each Country

Posted on June 16, 2019

Formatted question description: https://leetcode.ca/all/1294.html 1294. Weather Type in Each Country Level Easy [Read More]

1293 - Shortest Path in a Grid with Obstacles Elimination

Posted on June 15, 2019

Formatted question description: https://leetcode.ca/all/1293.html 1293. Shortest Path in a Grid with Obstacles Elimination (Hard) [Read More]

1292 - Maximum Side Length of a Square with Sum Less than or Equal to Threshold

Posted on June 14, 2019

Formatted question description: https://leetcode.ca/all/1292.html 1292. Maximum Side Length of a Square with Sum Less than or Equal to Threshold (Medium) [Read More]

1291 - Sequential Digits

Posted on June 13, 2019

Formatted question description: https://leetcode.ca/all/1291.html 1291. Sequential Digits (Medium) [Read More]

1290 - Convert Binary Number in a Linked List to Integer

Posted on June 12, 2019

Formatted question description: https://leetcode.ca/all/1290.html 1290. Convert Binary Number in a Linked List to Integer (Easy) [Read More]

1289 - Minimum Falling Path Sum II

Posted on June 11, 2019

Formatted question description: https://leetcode.ca/all/1289.html 1289. Minimum Falling Path Sum II (Hard) [Read More]

1288 - Remove Covered Intervals

Posted on June 10, 2019

Formatted question description: https://leetcode.ca/all/1288.html 1288. Remove Covered Intervals (Medium) [Read More]

1287 - Element Appearing More Than 25% In Sorted Array

Posted on June 9, 2019

Formatted question description: https://leetcode.ca/all/1287.html 1287. Element Appearing More Than 25% In Sorted Array (Easy) [Read More]

1286 - Iterator for Combination

Posted on June 8, 2019

Formatted question description: https://leetcode.ca/all/1286.html 1286. Iterator for Combination (Medium) [Read More]

1285 - Find the Start and End Number of Continuous Ranges

Posted on June 7, 2019

Formatted question description: https://leetcode.ca/all/1285.html 1285. Find the Start and End Number of Continuous Ranges Level Medium [Read More]

Tags: Microsoft

1284 - Minimum Number of Flips to Convert Binary Matrix to Zero Matrix

Posted on June 6, 2019

Formatted question description: https://leetcode.ca/all/1284.html 1284. Minimum Number of Flips to Convert Binary Matrix to Zero Matrix (Hard) [Read More]

1283 - Find the Smallest Divisor Given a Threshold

Posted on June 5, 2019

Formatted question description: https://leetcode.ca/all/1283.html 1283. Find the Smallest Divisor Given a Threshold (Medium) [Read More]

1282 - Group the People Given the Group Size They Belong To

Posted on June 4, 2019

Formatted question description: https://leetcode.ca/all/1282.html 1282. Group the People Given the Group Size They Belong To (Medium) [Read More]

1281 - Subtract the Product and Sum of Digits of an Integer

Posted on June 3, 2019

Formatted question description: https://leetcode.ca/all/1281.html 1281. Subtract the Product and Sum of Digits of an Integer Level Easy [Read More]

1280 - Students and Examinations

Posted on June 2, 2019

Formatted question description: https://leetcode.ca/all/1280.html 1280. Students and Examinations Level Easy [Read More]

Tags: SQL Roblox

1279 - Traffic Light Controlled Intersection

Posted on June 1, 2019

Question [Read More]

Tags: Amazon .Star

1278 - Palindrome Partitioning III

Posted on May 31, 2019

Formatted question description: https://leetcode.ca/all/1278.html 1278. Palindrome Partitioning III (Hard) [Read More]

1277 - Count Square Submatrices with All Ones

Posted on May 30, 2019

Formatted question description: https://leetcode.ca/all/1277.html 1277. Count Square Submatrices with All Ones (Medium) [Read More]

1276 - Number of Burgers with No Waste of Ingredients

Posted on May 29, 2019

Formatted question description: https://leetcode.ca/all/1276.html 1276. Number of Burgers with No Waste of Ingredients Level Medium [Read More]

1275 - Find Winner on a Tic Tac Toe Game

Posted on May 28, 2019

Formatted question description: https://leetcode.ca/all/1275.html 1275. Find Winner on a Tic Tac Toe Game (Easy) [Read More]

1274 - Number of Ships in a Rectangle

Posted on May 27, 2019

Formatted question description: https://leetcode.ca/all/1274.html 1274. Number of Ships in a Rectangle Level Hard [Read More]

Tags: Bloomberg

1273 - Delete Tree Nodes

Posted on May 26, 2019

Formatted question description: https://leetcode.ca/all/1273.html 1273. Delete Tree Nodes Level Medium [Read More]

Tags: Microsoft

1272 - Remove Interval

Posted on May 25, 2019

Formatted question description: https://leetcode.ca/all/1272.html [Read More]

Tags: Google .Star

1271 - Hexspeak

Posted on May 24, 2019

Formatted question description: https://leetcode.ca/all/1271.html 1271. Hexspeak Level Easy [Read More]

Tags: Virtu Financial

1270 - All People Report to the Given Manager

Posted on May 23, 2019

Formatted question description: https://leetcode.ca/all/1270.html [Read More]

Tags: Leetcode SQL Google .SQL

1269 - Number of Ways to Stay in the Same Place After Some Steps

Posted on May 22, 2019

Formatted question description: https://leetcode.ca/all/1269.html 1269. Number of Ways to Stay in the Same Place After Some Steps (Hard) [Read More]

1268 - Search Suggestions System

Posted on May 21, 2019

Formatted question description: https://leetcode.ca/all/1268.html 1268. Search Suggestions System (Medium) [Read More]

1267 - Count Servers that Communicate

Posted on May 20, 2019

Formatted question description: https://leetcode.ca/all/1267.html 1267. Count Servers that Communicate (Medium) [Read More]

1266 - Minimum Time Visiting All Points

Posted on May 19, 2019

Formatted question description: https://leetcode.ca/all/1266.html 1266. Minimum Time Visiting All Points (Easy) [Read More]

1265 - Print Immutable Linked List in Reverse

Posted on May 18, 2019

Question [Read More]

Tags: Google .Star

1264 - Page Recommendations

Posted on May 17, 2019

Formatted question description: https://leetcode.ca/all/1264.html 1264. Page Recommendations Level Medium [Read More]

Tags: Facebook

1263 - Minimum Moves to Move a Box to Their Target Location

Posted on May 16, 2019

Formatted question description: https://leetcode.ca/all/1263.html 1263. Minimum Moves to Move a Box to Their Target Location (Hard) [Read More]

1262 - Greatest Sum Divisible by Three

Posted on May 15, 2019

Formatted question description: https://leetcode.ca/all/1262.html 1262. Greatest Sum Divisible by Three (Medium) [Read More]

1261 - Find Elements in a Contaminated Binary Tree

Posted on May 14, 2019

Formatted question description: https://leetcode.ca/all/1261.html [Read More]

1260 - Shift 2D Grid

Posted on May 13, 2019

Formatted question description: https://leetcode.ca/all/1260.html 1260. Shift 2D Grid (Easy) [Read More]

1259 - Handshakes That Don't Cross

Posted on May 12, 2019

Formatted question description: https://leetcode.ca/all/1259.html 1259. Handshakes That Don’t Cross Level Hard [Read More]

Tags: Amazon

1258 - Synonymous Sentences

Posted on May 11, 2019

Question [Read More]

Tags: Cruise Automation .Star

1257 - Smallest Common Region

Posted on May 10, 2019

Formatted question description: https://leetcode.ca/all/1257.html 1257. Smallest Common Region Level Medium [Read More]

Tags: Airbnb

1256 - Encode Number

Posted on May 9, 2019

Formatted question description: https://leetcode.ca/all/1256.html 1256. Encode Number Level Medium [Read More]

Tags: Quora

1255 - Maximum Score Words Formed by Letters

Posted on May 8, 2019

Formatted question description: https://leetcode.ca/all/1255.html 1255. Maximum Score Words Formed by Letters Level Hard [Read More]

1254 - Number of Closed Islands

Posted on May 7, 2019

Formatted question description: https://leetcode.ca/all/1254.html 1254. Number of Closed Islands (Medium) [Read More]

1253 - Reconstruct a 2-Row Binary Matrix

Posted on May 6, 2019

Formatted question description: https://leetcode.ca/all/1253.html 1253. Reconstruct a 2-Row Binary Matrix (Medium) [Read More]

1252 - Cells with Odd Values in a Matrix

Posted on May 5, 2019

Formatted question description: https://leetcode.ca/all/1252.html 1252. Cells with Odd Values in a Matrix (Easy) [Read More]

1251 - Average Selling Price

Posted on May 4, 2019

Formatted question description: https://leetcode.ca/all/1251.html 1251. Average Selling Price Level Easy [Read More]

Tags: Amazon

1250 - Check If It Is a Good Array

Posted on May 3, 2019

Formatted question description: https://leetcode.ca/all/1250.html 1250. Check If It Is a Good Array Level Hard [Read More]

1249 - Minimum Remove to Make Valid Parentheses

Posted on May 2, 2019

Formatted question description: https://leetcode.ca/all/1249.html 1249. Minimum Remove to Make Valid Parentheses (Medium) [Read More]

1248 - Count Number of Nice Subarrays

Posted on May 1, 2019

Formatted question description: https://leetcode.ca/all/1248.html 1248. Count Number of Nice Subarrays (Medium) [Read More]

1247 - Minimum Swaps to Make Strings Equal

Posted on April 30, 2019

Formatted question description: https://leetcode.ca/all/1247.html 1247. Minimum Swaps to Make Strings Equal Level Medium [Read More]

1246 - Palindrome Removal

Posted on April 29, 2019

Formatted question description: https://leetcode.ca/all/1246.html 1246. Palindrome Removal Level Hard [Read More]

Tags: Microsoft

1245 - Tree Diameter

Posted on April 28, 2019

Formatted question description: https://leetcode.ca/all/1245.html 1245. Tree Diameter Level Medium [Read More]

Tags: Facebook Google

1244 - Design A Leaderboard

Posted on April 27, 2019

Formatted question description: https://leetcode.ca/all/1244.html [Read More]

Tags: Wayfair .Design

1243 - Array Transformation

Posted on April 26, 2019

Formatted question description: https://leetcode.ca/all/1243.html 1243. Array Transformation Level Easy [Read More]

Tags: Virtu Financial

1242 - Web Crawler Multithreaded

Posted on April 25, 2019

Question [Read More]

Tags: Dropbox Facebook .Star .Design

1241 - Number of Comments per Post

Posted on April 24, 2019

Formatted question description: https://leetcode.ca/all/1241.html 1241. Number of Comments per Post Level Easy [Read More]

1240 - Tiling a Rectangle with the Fewest Squares

Posted on April 23, 2019

Formatted question description: https://leetcode.ca/all/1240.html 1240. Tiling a Rectangle with the Fewest Squares Level Hard [Read More]

Tags: Google

1239 - Maximum Length of a Concatenated String with Unique Characters

Posted on April 22, 2019

Java [Read More]

1238 - Circular Permutation in Binary Representation

Posted on April 21, 2019

Formatted question description: https://leetcode.ca/all/1238.html 1238. Circular Permutation in Binary Representation (Medium) [Read More]

1237 - Find Positive Integer Solution for a Given Equation

Posted on April 20, 2019

Formatted question description: https://leetcode.ca/all/1237.html 1237. Find Positive Integer Solution for a Given Equation (Easy) [Read More]

1236 - Web Crawler

Posted on April 19, 2019

Formatted question description: https://leetcode.ca/all/1236.html [Read More]

Tags: .Star .Design

1235 - Maximum Profit in Job Scheduling

Posted on April 18, 2019

Formatted question description: https://leetcode.ca/all/1235.html 1235. Maximum Profit in Job Scheduling (Hard) [Read More]

1234 - Replace the Substring for Balanced String

Posted on April 17, 2019

Formatted question description: https://leetcode.ca/all/1234.html 1234. Replace the Substring for Balanced String (Medium) [Read More]

1233 - Remove Sub-Folders from the Filesystem

Posted on April 16, 2019

Formatted question description: https://leetcode.ca/all/1233.html 1233. Remove Sub-Folders from the Filesystem Level Medium [Read More]

1232 - Check If It Is a Straight Line

Posted on April 15, 2019

Formatted question description: https://leetcode.ca/all/1232.html 1232. Check If It Is a Straight Line (Easy) [Read More]

1231 - Divide Chocolate

Posted on April 14, 2019

Formatted question description: https://leetcode.ca/all/1231.html 1231. Divide Chocolate Level Hard [Read More]

Tags: Google

1230 - Toss Strange Coins

Posted on April 13, 2019

Formatted question description: https://leetcode.ca/all/1230.html 1230. Toss Strange Coins Level Medium [Read More]

Tags: Twitch

1229 - Meeting Scheduler

Posted on April 12, 2019

Formatted question description: https://leetcode.ca/all/1229.html [Read More]

Tags: Amazon DoorDash Paypal pramp Uber .Star

1228 - Missing Number In Arithmetic Progression

Posted on April 11, 2019

Formatted question description: https://leetcode.ca/all/1228.html 1228. Missing Number In Arithmetic Progression Level Easy [Read More]

Tags: Audible

1227 - Airplane Seat Assignment Probability

Posted on April 10, 2019

Formatted question description: https://leetcode.ca/all/1227.html 1227. Airplane Seat Assignment Probability Level Medium [Read More]

1226 - The Dining Philosophers

Posted on April 9, 2019

Formatted question description: https://leetcode.ca/all/1226.html [Read More]

1225 - Report Contiguous Dates

Posted on April 8, 2019

Formatted question description: https://leetcode.ca/all/1225.html 1225. Report Contiguous Dates Level Hard [Read More]

Tags: Facebook

1224 - Maximum Equal Frequency

Posted on April 7, 2019

Formatted question description: https://leetcode.ca/all/1224.html 1224. Maximum Equal Frequency Level Hard [Read More]

1223 - Dice Roll Simulation

Posted on April 6, 2019

Formatted question description: https://leetcode.ca/all/1223.html 1223. Dice Roll Simulation (Medium) [Read More]

1222 - Queens That Can Attack the King

Posted on April 5, 2019

Formatted question description: https://leetcode.ca/all/1222.html 1222. Queens That Can Attack the King (Medium) [Read More]

1221 - Split a String in Balanced Strings

Posted on April 4, 2019

Formatted question description: https://leetcode.ca/all/1221.html 1221. Split a String in Balanced Strings (Easy) [Read More]

1220 - Count Vowels Permutation

Posted on April 3, 2019

Formatted question description: https://leetcode.ca/all/1220.html 1220. Count Vowels Permutation (Hard) [Read More]

1219 - Path with Maximum Gold

Posted on April 2, 2019

Formatted question description: https://leetcode.ca/all/1219.html 1219. Path with Maximum Gold (Medium) [Read More]

1218 - Longest Arithmetic Subsequence of Given Difference

Posted on April 1, 2019

Formatted question description: https://leetcode.ca/all/1218.html 1218. Longest Arithmetic Subsequence of Given Difference Level Medium [Read More]

1217 - Minimum Cost to Move Chips to The Same Position

Posted on March 31, 2019

Formatted question description: https://leetcode.ca/all/1217.html 1217. Minimum Cost to Move Chips to The Same Position (Easy) [Read More]

1216 - Valid Palindrome III

Posted on March 30, 2019

Formatted question description: https://leetcode.ca/all/1216.html 1216. Valid Palindrome III Level Hard [Read More]

Tags: Facebook

1215 - Stepping Numbers

Posted on March 29, 2019

Formatted question description: https://leetcode.ca/all/1215.html 1215. Stepping Numbers Level Medium [Read More]

Tags: Epic Systems

1214 - Two Sum BSTs

Posted on March 28, 2019

Question [Read More]

Tags: Amazon

1213 - Intersection of Three Sorted Arrays

Posted on March 27, 2019

Formatted question description: https://leetcode.ca/all/1213.html 1213. Intersection of Three Sorted Arrays Level Easy [Read More]

Tags: Facebook TripAdvisor

1212 - Team Scores in Football Tournament

Posted on March 26, 2019

Formatted question description: https://leetcode.ca/all/1212.html 1212. Team Scores in Football Tournament Level Medium [Read More]

1211 - Queries Quality and Percentage

Posted on March 25, 2019

Formatted question description: https://leetcode.ca/all/1211.html 1211. Queries Quality and Percentage Level Easy [Read More]

1210 - Minimum Moves to Reach Target with Rotations

Posted on March 24, 2019

Formatted question description: https://leetcode.ca/all/1210.html 1210. Minimum Moves to Reach Target with Rotations (Hard) [Read More]

1209 - Remove All Adjacent Duplicates in String II

Posted on March 23, 2019

Formatted question description: https://leetcode.ca/all/1209.html 1209. Remove All Adjacent Duplicates in String II (Medium) [Read More]

1208 - Get Equal Substrings Within Budget

Posted on March 22, 2019

Formatted question description: https://leetcode.ca/all/1208.html 1208. Get Equal Substrings Within Budget Level Medium [Read More]

1207 - Unique Number of Occurrences

Posted on March 21, 2019

Formatted question description: https://leetcode.ca/all/1207.html 1207. Unique Number of Occurrences (Easy) [Read More]

1206 - Design Skiplist

Posted on March 20, 2019

Formatted question description: https://leetcode.ca/all/1206.html [Read More]

Tags: .Design

1205 - Monthly Transactions II

Posted on March 19, 2019

Formatted question description: https://leetcode.ca/all/1205.html 1205. Monthly Transactions II Level Medium [Read More]

1204 - Last Person to Fit in the Elevator

Posted on March 18, 2019

Formatted question description: https://leetcode.ca/all/1204.html 1204. Last Person to Fit in the Elevator Level Medium [Read More]

1203 - Sort Items by Groups Respecting Dependencies

Posted on March 17, 2019

Formatted question description: https://leetcode.ca/all/1203.html 1203. Sort Items by Groups Respecting Dependencies (Hard) [Read More]

1202 - Smallest String With Swaps

Posted on March 16, 2019

Formatted question description: https://leetcode.ca/all/1202.html 1202. Smallest String With Swaps (Medium) [Read More]

1201 - Ugly Number III

Posted on March 15, 2019

Formatted question description: https://leetcode.ca/all/1201.html 1201. Ugly Number III Level Medium [Read More]

1200 - Minimum Absolute Difference

Posted on March 14, 2019

Formatted question description: https://leetcode.ca/all/1200.html 1200. Minimum Absolute Difference (Easy) [Read More]

1199 - Minimum Time to Build Blocks

Posted on March 13, 2019

Formatted question description: https://leetcode.ca/all/1199.html 1199. Minimum Time to Build Blocks Level Hard [Read More]

Tags: Google

1198 - Find Smallest Common Element in All Rows

Posted on March 12, 2019

Formatted question description: https://leetcode.ca/all/1198.html 1198. Find Smallest Common Element in All Rows Level Medium [Read More]

Tags: Microsoft

1197 - Minimum Knight Moves

Posted on March 11, 2019

Formatted question description: https://leetcode.ca/all/1197.html 1197. Minimum Knight Moves Level Medium [Read More]

1196 - How Many Apples Can You Put into the Basket

Posted on March 10, 2019

Formatted question description: https://leetcode.ca/all/1196.html 1196. How Many Apples Can You Put into the Basket Level Easy [Read More]

1195 - Fizz Buzz Multithreaded

Posted on March 9, 2019

Formatted question description: https://leetcode.ca/all/1195.html [Read More]

Tags: .Star .Concurrency

1194 - Tournament Winners

Posted on March 8, 2019

Question [Read More]

Tags: Wayfair

1193 - Monthly Transactions I

Posted on March 7, 2019

Formatted question description: https://leetcode.ca/all/1193.html 1193. Monthly Transactions I Level Medium [Read More]

1192 - Critical Connections in a Network

Posted on March 6, 2019

Formatted question description: https://leetcode.ca/all/1192.html 1192. Critical Connections in a Network Level Hard [Read More]

1191 - K-Concatenation Maximum Sum

Posted on March 5, 2019

Formatted question description: https://leetcode.ca/all/1191.html 1191. K-Concatenation Maximum Sum Level Medium [Read More]

1190 - Reverse Substrings Between Each Pair of Parentheses

Posted on March 4, 2019

Formatted question description: https://leetcode.ca/all/1190.html 1190. Reverse Substrings Between Each Pair of Parentheses (Medium) [Read More]

1189 - Maximum Number of Balloons

Posted on March 3, 2019

Formatted question description: https://leetcode.ca/all/1189.html 1189. Maximum Number of Balloons (Easy) [Read More]

1188 - Design Bounded Blocking Queue

Posted on March 2, 2019

Formatted question description: https://leetcode.ca/all/1188.html [Read More]

Tags: Amazon Cloudera Google LinkedIn Oracle Uber .Design .Concurrency

1187 - Make Array Strictly Increasing

Posted on March 1, 2019

Formatted question description: https://leetcode.ca/all/1187.html 1187. Make Array Strictly Increasing (Hard) [Read More]

1186 - Maximum Subarray Sum with One Deletion

Posted on February 28, 2019

Formatted question description: https://leetcode.ca/all/1186.html 1186. Maximum Subarray Sum with One Deletion (Medium) [Read More]

1185 - Day of the Week

Posted on February 27, 2019

Formatted question description: https://leetcode.ca/all/1185.html 1185. Day of the Week (Easy) [Read More]

1184 - Distance Between Bus Stops

Posted on February 26, 2019

Formatted question description: https://leetcode.ca/all/1184.html 1184. Distance Between Bus Stops (Easy) [Read More]

1183 - Maximum Number of Ones

Posted on February 25, 2019

Formatted question description: https://leetcode.ca/all/1183.html 1183. Maximum Number of Ones Level Hard [Read More]

Tags: Qualcomm

1182 - Shortest Distance to Target Color

Posted on February 24, 2019

Formatted question description: https://leetcode.ca/all/1182.html 1182. Shortest Distance to Target Color Level Medium [Read More]

Tags: Google

1181 - Before and After Puzzle

Posted on February 23, 2019

Formatted question description: https://leetcode.ca/all/1181.html 1181. Before and After Puzzle Level Medium [Read More]

1180 - Count Substrings with Only One Distinct Letter

Posted on February 22, 2019

Formatted question description: https://leetcode.ca/all/1180.html 1180. Count Substrings with Only One Distinct Letter Level Easy [Read More]

Tags: Virtu Financial

1179 - Reformat Department Table

Posted on February 21, 2019

Formatted question description: https://leetcode.ca/all/1179.html 1179. Reformat Department Table Level Easy [Read More]

1178 - Number of Valid Words for Each Puzzle

Posted on February 20, 2019

Formatted question description: https://leetcode.ca/all/1178.html 1178. Number of Valid Words for Each Puzzle Level Hard [Read More]

1177 - Can Make Palindrome from Substring

Posted on February 19, 2019

Formatted question description: https://leetcode.ca/all/1177.html 1177. Can Make Palindrome from Substring Level Medium [Read More]

1176 - Diet Plan Performance

Posted on February 18, 2019

Formatted question description: https://leetcode.ca/all/1176.html 1176. Diet Plan Performance Level Easy [Read More]

Tags: Amazon

1175 - Prime Arrangements

Posted on February 17, 2019

Formatted question description: https://leetcode.ca/all/1175.html 1175. Prime Arrangements (Easy) [Read More]

1174 - Immediate Food Delivery II

Posted on February 16, 2019

Formatted question description: https://leetcode.ca/all/1174.html 1174. Immediate Food Delivery II Level Medium [Read More]

1173 - Immediate Food Delivery I

Posted on February 15, 2019

Formatted question description: https://leetcode.ca/all/1173.html 1173. Immediate Food Delivery I Level Easy [Read More]

1172 - Dinner Plate Stacks

Posted on February 14, 2019

Formatted question description: https://leetcode.ca/all/1172.html [Read More]

1171 - Remove Zero Sum Consecutive Nodes from Linked List

Posted on February 13, 2019

Formatted question description: https://leetcode.ca/all/1171.html 1171. Remove Zero Sum Consecutive Nodes from Linked List Level Medium [Read More]

1170 - Compare Strings by Frequency of the Smallest Character

Posted on February 12, 2019

Formatted question description: https://leetcode.ca/all/1170.html 1170. Compare Strings by Frequency of the Smallest Character (Easy) [Read More]

1169 - Invalid Transactions

Posted on February 11, 2019

Formatted question description: https://leetcode.ca/all/1169.html 1169. Invalid Transactions (Medium) [Read More]

1168 - Optimize Water Distribution in a Village

Posted on February 10, 2019

Formatted question description: https://leetcode.ca/all/1168.html 1168. Optimize Water Distribution in a Village Level Hard [Read More]

1167 - Minimum Cost to Connect Sticks

Posted on February 9, 2019

Formatted question description: https://leetcode.ca/all/1167.html 1167. Minimum Cost to Connect Sticks Level Medium [Read More]

Tags: Amazon Google

1166 - Design File System

Posted on February 8, 2019

Formatted question description: https://leetcode.ca/all/1166.html [Read More]

Tags: .Design Airbnb

1165 - Single-Row Keyboard

Posted on February 7, 2019

Formatted question description: https://leetcode.ca/all/1165.html 1165. Single-Row Keyboard Level Easy [Read More]

Tags: Google

1164 - Product Price at a Given Date

Posted on February 6, 2019

Formatted question description: https://leetcode.ca/all/1164.html 1164. Product Price at a Given Date Level Medium [Read More]

1163 - Last Substring in Lexicographical Order

Posted on February 5, 2019

Formatted question description: https://leetcode.ca/all/1163.html 1163. Last Substring in Lexicographical Order (Hard) [Read More]

1162 - As Far from Land as Possible

Posted on February 4, 2019

Formatted question description: https://leetcode.ca/all/1162.html 1162. As Far from Land as Possible (Medium) [Read More]

1161 - Maximum Level Sum of a Binary Tree

Posted on February 3, 2019

Formatted question description: https://leetcode.ca/all/1161.html 1161. Maximum Level Sum of a Binary Tree (Medium) [Read More]

Posted on January 30, 2019

Formatted question description: https://leetcode.ca/all/1157.html [Read More]

1156 - Swap For Longest Repeated Character Substring

Posted on January 29, 2019

Formatted question description: https://leetcode.ca/all/1156.html 1156. Swap For Longest Repeated Character Substring Level Medium [Read More]

Tags: Nutanix

1155 - Number of Dice Rolls With Target Sum

Posted on January 28, 2019

Formatted question description: https://leetcode.ca/all/1155.html 1155. Number of Dice Rolls With Target Sum (Medium) [Read More]

1154 - Day of the Year

Posted on January 27, 2019

Formatted question description: https://leetcode.ca/all/1154.html 1154. Day of the Year (Easy) [Read More]

1153 - String Transforms Into Another String

Posted on January 26, 2019

Formatted question description: https://leetcode.ca/all/1153.html 1153. String Transforms Into Another String Level Hard [Read More]

Tags: Google

1152 - Analyze User Website Visit Pattern

Posted on January 25, 2019

Formatted question description: https://leetcode.ca/all/1152.html 1152. Analyze User Website Visit Pattern Level Medium [Read More]

Tags: Amazon

1151 - Minimum Swaps to Group All 1's Together

Posted on January 24, 2019

Formatted question description: https://leetcode.ca/all/1151.html 1151. Minimum Swaps to Group All 1’s Together Level Medium [Read More]

Tags: Expedia

1150 - Check If a Number Is Majority Element in a Sorted Array

Posted on January 23, 2019

Formatted question description: https://leetcode.ca/all/1150.html 1150. Check If a Number Is Majority Element in a Sorted Array Level Easy [Read More]

Tags: Salesforce

1149 - Article Views II

Posted on January 22, 2019

Formatted question description: https://leetcode.ca/all/1149.html 1149. Article Views II Level Medium [Read More]

1148 - Article Views I

Posted on January 21, 2019

Formatted question description: https://leetcode.ca/all/1148.html 1148. Article Views I Level Easy [Read More]

1147 - Longest Chunked Palindrome Decomposition

Posted on January 20, 2019

Formatted question description: https://leetcode.ca/all/1147.html 1147. Longest Chunked Palindrome Decomposition Level Hard [Read More]

1146 - Snapshot Array

Posted on January 19, 2019

Formatted question description: https://leetcode.ca/all/1146.html 1146. Snapshot Array (Medium) [Read More]

1145 - Binary Tree Coloring Game

Posted on January 18, 2019

Formatted question description: https://leetcode.ca/all/1145.html 1145. Binary Tree Coloring Game Level Medium [Read More]

1144 - Decrease Elements To Make Array Zigzag

Posted on January 17, 2019

Formatted question description: https://leetcode.ca/all/1144.html 1144. Decrease Elements To Make Array Zigzag Level Medium [Read More]

1143 - Longest Common Subsequence

Posted on January 16, 2019

Formatted question description: https://leetcode.ca/all/1143.html 1143. Longest Common Subsequence (Medium) [Read More]

1142 - User Activity for the Past 30 Days II

Posted on January 15, 2019

Formatted question description: https://leetcode.ca/all/1142.html 1142. User Activity for the Past 30 Days II Level Easy [Read More]

Tags: Facebook

1141 - User Activity for the Past 30 Days I

Posted on January 14, 2019

Formatted question description: https://leetcode.ca/all/1141.html 1141. User Activity for the Past 30 Days I Level Easy [Read More]

Tags: Facebook

1140 - Stone Game II

Posted on January 13, 2019

Formatted question description: https://leetcode.ca/all/1140.html 1140. Stone Game II (Medium) [Read More]

1139 - Largest 1-Bordered Square

Posted on January 12, 2019

Formatted question description: https://leetcode.ca/all/1139.html 1139. Largest 1-Bordered Square (Medium) [Read More]

1138 - Alphabet Board Path

Posted on January 11, 2019

Formatted question description: https://leetcode.ca/all/1138.html 1138. Alphabet Board Path Level Medium [Read More]

1137 - N-th Tribonacci Number

Posted on January 10, 2019

Formatted question description: https://leetcode.ca/all/1137.html 1137. N-th Tribonacci Number (Easy) [Read More]

1136 - Parallel Courses

Posted on January 9, 2019

Question [Read More]

Tags: Graph Google Uber .Star

1135 - Connecting Cities With Minimum Cost

Posted on January 8, 2019

Question [Read More]

Tags: Amazon Uber .Star

1134 - Armstrong Number

Posted on January 7, 2019

Question [Read More]

Tags: Amazon

1133 - Largest Unique Number

Posted on January 6, 2019

Formatted question description: https://leetcode.ca/all/1133.html 1133. Largest Unique Number Level Easy [Read More]

Tags: Amazon

1132 - Reported Posts II

Posted on January 5, 2019

Formatted question description: https://leetcode.ca/all/1132.html 1132. Reported Posts II Level Medium [Read More]

1131 - Maximum of Absolute Value Expression

Posted on January 4, 2019

Formatted question description: https://leetcode.ca/all/1131.html 1131. Maximum of Absolute Value Expression Level Medium [Read More]

1130 - Minimum Cost Tree From Leaf Values

Posted on January 3, 2019

Formatted question description: https://leetcode.ca/all/1130.html 1130. Minimum Cost Tree From Leaf Values (Medium) [Read More]

1129 - Shortest Path with Alternating Colors

Posted on January 2, 2019

Formatted question description: https://leetcode.ca/all/1129.html 1129. Shortest Path with Alternating Colors Level Medium [Read More]

1128 - Number of Equivalent Domino Pairs

Posted on January 1, 2019

Formatted question description: https://leetcode.ca/all/1128.html 1128. Number of Equivalent Domino Pairs (Easy) [Read More]

1127 - User Purchase Platform

Posted on December 31, 2018

Formatted question description: https://leetcode.ca/all/1127.html 1127. User Purchase Platform Level Hard [Read More]

1126 - Active Businesses

Posted on December 30, 2018

Formatted question description: https://leetcode.ca/all/1126.html 1126. Active Businesses Level Medium [Read More]

Tags: Yelp

1125 - Smallest Sufficient Team

Posted on December 29, 2018

Formatted question description: https://leetcode.ca/all/1125.html 1125. Smallest Sufficient Team (Hard) [Read More]

1124 - Longest Well-Performing Interval

Posted on December 28, 2018

Question [Read More]

1123 - Lowest Common Ancestor of Deepest Leaves

Posted on December 27, 2018

Formatted question description: https://leetcode.ca/all/1123.html 1123. Lowest Common Ancestor of Deepest Leaves (Medium) [Read More]

Posted on December 17, 2018

Formatted question description: https://leetcode.ca/all/1113.html [Read More]

Tags: SQL

1112 - Highest Grade For Each Student

Posted on December 16, 2018

Formatted question description: https://leetcode.ca/all/1112.html 1112. Highest Grade For Each Student Level Medium [Read More]

1111 - Maximum Nesting Depth of Two Valid Parentheses Strings

Posted on December 15, 2018

Question [Read More]

1110 - Delete Nodes And Return Forest

Posted on December 14, 2018

Formatted question description: https://leetcode.ca/all/1110.html 1110. Delete Nodes And Return Forest (Medium) [Read More]

1109 - Corporate Flight Bookings

Posted on December 13, 2018

Formatted question description: https://leetcode.ca/all/1109.html 1109. Corporate Flight Bookings (Medium) [Read More]

1108 - Defanging an IP Address

Posted on December 12, 2018

Formatted question description: https://leetcode.ca/all/1108.html 1108. Defanging an IP Address (Easy) [Read More]

Tags: Adobe Amazon Apple Facebook Google

1107 - New Users Daily Count

Posted on December 11, 2018

Formatted question description: https://leetcode.ca/all/1107.html 1107. New Users Daily Count Level Medium [Read More]

Tags: LinkedIn

1106 - Parsing A Boolean Expression

Posted on December 10, 2018

Formatted question description: https://leetcode.ca/all/1106.html 1106. Parsing A Boolean Expression (Hard) [Read More]

1105 - Filling Bookcase Shelves

Posted on December 9, 2018

Formatted question description: https://leetcode.ca/all/1105.html 1105. Filling Bookcase Shelves (Medium) [Read More]

1104 - Path In Zigzag Labelled Binary Tree

Posted on December 8, 2018

Formatted question description: https://leetcode.ca/all/1104.html 1104. Path In Zigzag Labelled Binary Tree (Medium) [Read More]

1103 - Distribute Candies to People

Posted on December 7, 2018

Formatted question description: https://leetcode.ca/all/1103.html 1103. Distribute Candies to People (Easy) [Read More]

1102 - Path With Maximum Minimum Value

Posted on December 6, 2018

Formatted question description: https://leetcode.ca/all/1102.html 1102. Path With Maximum Minimum Value Level Medium [Read More]

Tags: Amazon

1101 - The Earliest Moment When Everyone Become Friends

Posted on December 5, 2018

Formatted question description: https://leetcode.ca/all/1101.html 1101. The Earliest Moment When Everyone Become Friends Level Medium [Read More]

Tags: Expedia

1100 - Find K-Length Substrings With No Repeated Characters

Posted on December 4, 2018

Formatted question description: https://leetcode.ca/all/1100.html 1100. Find K-Length Substrings With No Repeated Characters Level Medium [Read More]

Tags: Amazon

1099 - Two Sum Less Than K

Posted on December 3, 2018

Question [Read More]

1098 - Unpopular Books

Posted on December 2, 2018

Formatted question description: https://leetcode.ca/all/1098.html 1098. Unpopular Books Level Medium [Read More]

1097 - Game Play Analysis V

Posted on December 1, 2018

Formatted question description: https://leetcode.ca/all/1097.html 1097. Game Play Analysis V Level Hard [Read More]

1096 - Brace Expansion II

Posted on November 30, 2018

Formatted question description: https://leetcode.ca/all/1096.html 1096. Brace Expansion II (Hard) [Read More]

1095 - Find in Mountain Array

Posted on November 29, 2018

Java [Read More]

1094 - Car Pooling

Posted on November 28, 2018

Question [Read More]

1093 - Statistics from a Large Sample

Posted on November 27, 2018

Formatted question description: https://leetcode.ca/all/1093.html 1093. Statistics from a Large Sample Level Medium [Read More]

1092 - Shortest Common Supersequence

Posted on November 26, 2018

Formatted question description: https://leetcode.ca/all/1092.html 1092. Shortest Common Supersequence (Hard) [Read More]

1091 - Shortest Path in Binary Matrix

Posted on November 25, 2018

Formatted question description: https://leetcode.ca/all/1091.html 1091. Shortest Path in Binary Matrix Level Medium [Read More]

1090 - Largest Values From Labels

Posted on November 24, 2018

Formatted question description: https://leetcode.ca/all/1090.html 1090. Largest Values From Labels (Medium) [Read More]

1089 - Duplicate Zeros

Posted on November 23, 2018

Formatted question description: https://leetcode.ca/all/1089.html 1089. Duplicate Zeros (Easy) [Read More]

1088 - Confusing Number II

Posted on November 22, 2018

Formatted question description: https://leetcode.ca/all/1088.html 1088. Confusing Number II Level Hard [Read More]

1087 - Brace Expansion

Posted on November 21, 2018

Formatted question description: https://leetcode.ca/all/1087.html 1087. Brace Expansion Level Medium [Read More]

1086 - High Five

Posted on November 20, 2018

Question [Read More]

Tags: Amazon Goldman Sachs

1085 - Sum of Digits in the Minimum Number

Posted on November 19, 2018

Formatted question description: https://leetcode.ca/all/1085.html 1085. Sum of Digits in the Minimum Number Level Easy [Read More]

1084 - Sales Analysis III

Posted on November 18, 2018

Formatted question description: https://leetcode.ca/all/1084.html 1084. Sales Analysis III Level Easy [Read More]

Tags: .SQL

1083 - Sales Analysis II

Posted on November 17, 2018

Formatted question description: https://leetcode.ca/all/1083.html 1083. Sales Analysis II Level Easy [Read More]

1082 - Sales Analysis I

Posted on November 16, 2018

Formatted question description: https://leetcode.ca/all/1082.html 1082. Sales Analysis I Level Easy [Read More]

1081 - Smallest Subsequence of Distinct Characters

Posted on November 15, 2018

Formatted question description: https://leetcode.ca/all/1081.html 1081. Smallest Subsequence of Distinct Characters (Medium) [Read More]

Tags: FactSet

1080 - Insufficient Nodes in Root to Leaf Paths

Posted on November 14, 2018

Formatted question description: https://leetcode.ca/all/1080.html 1080. Insufficient Nodes in Root to Leaf Paths (Medium) [Read More]

1079 - Letter Tile Possibilities

Posted on November 13, 2018

Formatted question description: https://leetcode.ca/all/1079.html 1079. Letter Tile Possibilities (Medium) [Read More]

1078 - Occurrences After Bigram

Posted on November 12, 2018

Formatted question description: https://leetcode.ca/all/1078.html 1078. Occurrences After Bigram (Easy) [Read More]

1077 - Project Employees III

Posted on November 11, 2018

Formatted question description: https://leetcode.ca/all/1077.html 1077. Project Employees III Level Medium [Read More]

1076 - Project Employees II

Posted on November 10, 2018

Formatted question description: https://leetcode.ca/all/1076.html 1076. Project Employees II Level Easy [Read More]

Tags: .SQL

1075 - Project Employees I

Posted on November 9, 2018

Formatted question description: https://leetcode.ca/all/1075.html 1075. Project Employees I Level Easy [Read More]

Tags: Facebook

1074 - Number of Submatrices That Sum to Target

Posted on November 8, 2018

Formatted question description: https://leetcode.ca/all/1074.html 1074. Number of Submatrices That Sum to Target (Hard) [Read More]

1073 - Adding Two Negabinary Numbers

Posted on November 7, 2018

Formatted question description: https://leetcode.ca/all/1073.html 1073. Adding Two Negabinary Numbers (Medium) [Read More]

1072 - Flip Columns For Maximum Number of Equal Rows

Posted on November 6, 2018

Formatted question description: https://leetcode.ca/all/1072.html 1072. Flip Columns For Maximum Number of Equal Rows (Medium) [Read More]

1071 - Greatest Common Divisor of Strings

Posted on November 5, 2018

Formatted question description: https://leetcode.ca/all/1071.html 1071. Greatest Common Divisor of Strings (Easy) [Read More]

1070 - Product Sales Analysis III

Posted on November 4, 2018

Formatted question description: https://leetcode.ca/all/1070.html 1070. Product Sales Analysis III Level Medium [Read More]

1069 - Product Sales Analysis II

Posted on November 3, 2018

Formatted question description: https://leetcode.ca/all/1069.html 1069. Product Sales Analysis II Level Easy [Read More]

1068 - Product Sales Analysis I

Posted on November 2, 2018

Formatted question description: https://leetcode.ca/all/1068.html 1068. Product Sales Analysis I Level Easy [Read More]

1067 - Digit Count in Range

Posted on November 1, 2018

Formatted question description: https://leetcode.ca/all/1067.html 1067. Digit Count in Range Level Hard [Read More]

1066 - Campus Bikes II

Posted on October 31, 2018

Formatted question description: https://leetcode.ca/all/1066.html 1066. Campus Bikes II Level Medium [Read More]

1065 - Index Pairs of a String

Posted on October 30, 2018

Formatted question description: https://leetcode.ca/all/1065.html 1065. Index Pairs of a String Level Easy [Read More]

1064 - Fixed Point

Posted on October 29, 2018

Question [Read More]

1063 - Number of Valid Subarrays

Posted on October 28, 2018

Formatted question description: https://leetcode.ca/all/1063.html 1063. Number of Valid Subarrays Level Hard [Read More]

1062 - Longest Repeating Substring

Posted on October 27, 2018

Formatted question description: https://leetcode.ca/all/1062.html 1062. Longest Repeating Substring Level Medium [Read More]

1061 - Lexicographically Smallest Equivalent String

Posted on October 26, 2018

Formatted question description: https://leetcode.ca/all/1061.html 1061. Lexicographically Smallest Equivalent String Level Medium [Read More]

1060 - Missing Element in Sorted Array

Posted on October 25, 2018

Formatted question description: https://leetcode.ca/all/1060.html 1060. Missing Element in Sorted Array Level Medium [Read More]

Tags: Amazon Apple Bloomberg Facebook Google

1059 - All Paths from Source Lead to Destination

Posted on October 24, 2018

Question [Read More]

Tags: Google .Star

1058 - Minimize Rounding Error to Meet Target

Posted on October 23, 2018

Formatted question description: https://leetcode.ca/all/1058.html 1058. Minimize Rounding Error to Meet Target Level Medium [Read More]

Tags: Airbnb

1057 - Campus Bikes

Posted on October 22, 2018

Formatted question description: https://leetcode.ca/all/1057.html 1057. Campus Bikes Level Medium [Read More]

1056 - Confusing Number

Posted on October 21, 2018

Formatted question description: https://leetcode.ca/all/1056.html 1056. Confusing Number Level Easy [Read More]

Tags: Google

1055 - Shortest Way to Form String

Posted on October 20, 2018

Formatted question description: https://leetcode.ca/all/1055.html 1055. Shortest Way to Form String Level Medium [Read More]

Tags: Google

1054 - Distant Barcodes

Posted on October 19, 2018

Formatted question description: https://leetcode.ca/all/1054.html 1054. Distant Barcodes (Medium) [Read More]

1053 - Previous Permutation With One Swap

Posted on October 18, 2018

Formatted question description: https://leetcode.ca/all/1053.html 1053. Previous Permutation With One Swap (Medium) [Read More]

1052 - Grumpy Bookstore Owner

Posted on October 17, 2018

Formatted question description: https://leetcode.ca/all/1052.html 1052. Grumpy Bookstore Owner (Medium) [Read More]

1051 - Height Checker

Posted on October 16, 2018

Formatted question description: https://leetcode.ca/all/1051.html 1051. Height Checker (Easy) [Read More]

1050 - Actors and Directors Who Cooperated At Least Three Times

Posted on October 15, 2018

Formatted question description: https://leetcode.ca/all/1050.html 1050. Customer Placing the Largest Number of Orders Level Easy [Read More]

Tags: Amazon

1049 - Last Stone Weight II

Posted on October 14, 2018

Formatted question description: https://leetcode.ca/all/1049.html 1049. Last Stone Weight II Level Medium [Read More]

1048 - Longest String Chain

Posted on October 13, 2018

Formatted question description: https://leetcode.ca/all/1048.html 1048. Longest String Chain (Medium) [Read More]

1047 - Remove All Adjacent Duplicates In String

Posted on October 12, 2018

Formatted question description: https://leetcode.ca/all/1047.html 1047. Remove All Adjacent Duplicates In String (Easy) [Read More]

1046 - Last Stone Weight

Posted on October 11, 2018

Formatted question description: https://leetcode.ca/all/1046.html 1046. Last Stone Weight (Easy) [Read More]

1045 - Customers Who Bought All Products

Posted on October 10, 2018

Formatted question description: https://leetcode.ca/all/1045.html 1045. Customers Who Bought All Products Level Medium [Read More]

1044 - Longest Duplicate Substring

Posted on October 9, 2018

Formatted question description: https://leetcode.ca/all/1044.html 1044. Longest Duplicate Substring (Hard) [Read More]

1043 - Partition Array for Maximum Sum

Posted on October 8, 2018

Formatted question description: https://leetcode.ca/all/1043.html 1043. Partition Array for Maximum Sum (Medium) [Read More]

1042 - Flower Planting With No Adjacent

Posted on October 7, 2018

Formatted question description: https://leetcode.ca/all/1042.html 1042. Flower Planting With No Adjacent (Easy) [Read More]

1041 - Robot Bounded In Circle

Posted on October 6, 2018

Formatted question description: https://leetcode.ca/all/1041.html 1041. Robot Bounded In Circle (Medium) [Read More]

1040 - Moving Stones Until Consecutive II

Posted on October 5, 2018

Formatted question description: https://leetcode.ca/all/1040.html 1040. Moving Stones Until Consecutive II Level Medium [Read More]

1039 - Minimum Score Triangulation of Polygon

Posted on October 4, 2018

Formatted question description: https://leetcode.ca/all/1039.html 1039. Minimum Score Triangulation of Polygon (Medium) [Read More]

1038 - Binary Search Tree to Greater Sum Tree

Posted on October 3, 2018

Formatted question description: https://leetcode.ca/all/1038.html 1038. Binary Search Tree to Greater Sum Tree (Medium) [Read More]

1037 - Valid Boomerang

Posted on October 2, 2018

Formatted question description: https://leetcode.ca/all/1037.html 1037. Valid Boomerang (Easy) [Read More]

1036 - Escape a Large Maze

Posted on October 1, 2018

Formatted question description: https://leetcode.ca/all/1036.html 1036. Escape a Large Maze Level Hard [Read More]

1035 - Uncrossed Lines

Posted on September 30, 2018

Formatted question description: https://leetcode.ca/all/1035.html 1035. Uncrossed Lines (Medium) [Read More]

1034 - Coloring A Border

Posted on September 29, 2018

Formatted question description: https://leetcode.ca/all/1034.html 1034. Coloring A Border (Medium) [Read More]

1033 - Moving Stones Until Consecutive

Posted on September 28, 2018

Formatted question description: https://leetcode.ca/all/1033.html 1033. Moving Stones Until Consecutive (Easy) [Read More]

1032 - Stream of Characters

Posted on September 27, 2018

Formatted question description: https://leetcode.ca/all/1032.html 1032. Stream of Characters (Hard) [Read More]

1031 - Maximum Sum of Two Non-Overlapping Subarrays

Posted on September 26, 2018

Formatted question description: https://leetcode.ca/all/1031.html 1031. Maximum Sum of Two Non-Overlapping Subarrays (Medium) [Read More]

1030 - Matrix Cells in Distance Order

Posted on September 25, 2018

Formatted question description: https://leetcode.ca/all/1030.html 1030. Matrix Cells in Distance Order (Easy) [Read More]

1029 - Two City Scheduling

Posted on September 24, 2018

Formatted question description: https://leetcode.ca/all/1029.html 1029. Two City Scheduling (Easy) [Read More]

1028 - Recover a Tree From Preorder Traversal

Posted on September 23, 2018

Formatted question description: https://leetcode.ca/all/1028.html 1028. Recover a Tree From Preorder Traversal (Hard) [Read More]

1027 - Longest Arithmetic Subsequence

Posted on September 22, 2018

Formatted question description: https://leetcode.ca/all/1027.html 1027. Longest Arithmetic Sequence (Medium) [Read More]

1026 - Maximum Difference Between Node and Ancestor

Posted on September 21, 2018

Formatted question description: https://leetcode.ca/all/1026.html 1026. Maximum Difference Between Node and Ancestor (Medium) [Read More]

1025 - Divisor Game

Posted on September 20, 2018

Formatted question description: https://leetcode.ca/all/1025.html 1025. Divisor Game (Easy) [Read More]

1024 - Video Stitching

Posted on September 19, 2018

Formatted question description: https://leetcode.ca/all/1024.html 1024. Video Stitching Level Medium [Read More]

1023 - Camelcase Matching

Posted on September 18, 2018

Formatted question description: https://leetcode.ca/all/1023.html 1023. Camelcase Matching (Medium) [Read More]

1022 - Sum of Root To Leaf Binary Numbers

Posted on September 17, 2018

Formatted question description: https://leetcode.ca/all/1022.html 1022. Sum of Root To Leaf Binary Numbers (Easy) [Read More]

1021 - Remove Outermost Parentheses

Posted on September 16, 2018

Formatted question description: https://leetcode.ca/all/1021.html 1021. Remove Outermost Parentheses (Easy) [Read More]

1020 - Number of Enclaves

Posted on September 15, 2018

Formatted question description: https://leetcode.ca/all/1020.html 1020. Number of Enclaves (Medium) [Read More]

1019 - Next Greater Node In Linked List

Posted on September 14, 2018

Formatted question description: https://leetcode.ca/all/1019.html 1019. Next Greater Node In Linked List (Medium) [Read More]

1018 - Binary Prefix Divisible By 5

Posted on September 13, 2018

Formatted question description: https://leetcode.ca/all/1018.html 1018. Binary Prefix Divisible By 5 (Easy) [Read More]

1017 - Convert to Base -2

Posted on September 12, 2018

Formatted question description: https://leetcode.ca/all/1017.html 1017. Convert to Base -2 (Medium) [Read More]

1016 - Binary String With Substrings Representing 1 To N

Posted on September 11, 2018

Formatted question description: https://leetcode.ca/all/1016.html 1016. Binary String With Substrings Representing 1 To N (Medium) [Read More]

1015 - Smallest Integer Divisible by K

Posted on September 10, 2018

Formatted question description: https://leetcode.ca/all/1015.html 1015. Smallest Integer Divisible by K Level Medium [Read More]

1014 - Best Sightseeing Pair

Posted on September 9, 2018

Formatted question description: https://leetcode.ca/all/1014.html 1014. Best Sightseeing Pair (Medium) [Read More]

1013 - Partition Array Into Three Parts With Equal Sum

Posted on September 8, 2018

Formatted question description: https://leetcode.ca/all/1013.html 1013. Partition Array Into Three Parts With Equal Sum (Easy) [Read More]

1012 - Numbers With Repeated Digits

Posted on September 7, 2018

Formatted question description: https://leetcode.ca/all/1012.html 1012. Complement of Base 10 Integer (Easy) [Read More]

1011 - Capacity To Ship Packages Within D Days

Posted on September 6, 2018

Formatted question description: https://leetcode.ca/all/1011.html 1011. Capacity To Ship Packages Within D Days (Medium) [Read More]

1010 - Pairs of Songs With Total Durations Divisible by 60

Posted on September 5, 2018

Formatted question description: https://leetcode.ca/all/1010.html 1010. Pairs of Songs With Total Durations Divisible by 60 (Medium) [Read More]

1009 - Complement of Base 10 Integer

Posted on September 4, 2018

Formatted question description: https://leetcode.ca/all/1009.html 1009. Complement of Base 10 Integer Level Easy [Read More]

1008 - Construct Binary Search Tree from Preorder Traversal

Posted on September 3, 2018

Formatted question description: https://leetcode.ca/all/1008.html 1008. Construct Binary Search Tree from Preorder Traversal (Medium) [Read More]

1007 - Minimum Domino Rotations For Equal Row

Posted on September 2, 2018

Formatted question description: https://leetcode.ca/all/1007.html 1007. Minimum Domino Rotations For Equal Row Level Medium [Read More]

Tags: Amazon Google

1006 - Clumsy Factorial

Posted on September 1, 2018

Formatted question description: https://leetcode.ca/all/1006.html 1006. Clumsy Factorial Level Medium [Read More]

1005 - Maximize Sum Of Array After K Negations

Posted on August 31, 2018

Question [Read More]

Tags: C++ Easy

1004 - Max Consecutive Ones III

Posted on August 30, 2018

Formatted question description: https://leetcode.ca/all/1004.html [Read More]

Tags: .Star

1003 - Check If Word Is Valid After Substitutions

Posted on August 29, 2018

Formatted question description: https://leetcode.ca/all/1003.html 1003. Check If Word Is Valid After Substitutions (Medium) [Read More]

1002 - Find Common Characters

Posted on August 28, 2018

Question [Read More]

Tags: C++ Easy HashMap

1001 - Grid Illumination

Posted on August 27, 2018

Formatted question description: https://leetcode.ca/all/1001.html 1001. Grid Illumination Level Hard [Read More]

1000 - Minimum Cost to Merge Stones

Posted on August 26, 2018

Formatted question description: https://leetcode.ca/all/1000.html 1000. Minimum Cost to Merge Stones (Hard) [Read More]

999 - Available Captures for Rook

Posted on August 25, 2018

Question [Read More]

Tags: C++ Easy

998 - Maximum Binary Tree II

Posted on August 24, 2018

Formatted question description: https://leetcode.ca/all/998.html 998. Maximum Binary Tree II (Medium) [Read More]

997 - Find the Town Judge

Posted on August 23, 2018

Question [Read More]

Tags: C++ Easy HashMap

996 - Number of Squareful Arrays

Posted on August 22, 2018

Formatted question description: https://leetcode.ca/all/996.html 996. Number of Squareful Arrays (Hard) [Read More]

995 - Minimum Number of K Consecutive Bit Flips

Posted on August 21, 2018

Formatted question description: https://leetcode.ca/all/995.html 995. Minimum Number of K Consecutive Bit Flips Level Hard [Read More]

994 - Rotting Oranges

982 - Triples with Bitwise AND Equal To Zero

Posted on August 8, 2018

Formatted question description: https://leetcode.ca/all/982.html 982. Triples with Bitwise AND Equal To Zero Level Hard [Read More]

981 - Time Based Key-Value Store

Posted on August 7, 2018

Formatted question description: https://leetcode.ca/all/981.html [Read More]

980 - Unique Paths III

Posted on August 6, 2018

Formatted question description: https://leetcode.ca/all/980.html [Read More]

Tags: .Star

979 - Distribute Coins in Binary Tree

Posted on August 5, 2018

Formatted question description: https://leetcode.ca/all/979.html 979. Distribute Coins in Binary Tree (Medium) [Read More]

978 - Longest Turbulent Subarray

Posted on August 4, 2018

Formatted question description: https://leetcode.ca/all/978.html 978. Longest Turbulent Subarray (Medium) [Read More]

977 - Squares of a Sorted Array

Posted on August 3, 2018

Question [Read More]

Tags: C++ Easy

976 - Largest Perimeter Triangle

Posted on August 2, 2018

Question [Read More]

Tags: C++ Easy

975 - Odd Even Jump

Posted on August 1, 2018

Formatted question description: https://leetcode.ca/all/975.html 975. Odd Even Jump Level Hard [Read More]

974 - Subarray Sums Divisible by K

Posted on July 31, 2018

Formatted question description: https://leetcode.ca/all/974.html 974. Subarray Sums Divisible by K Level Medium [Read More]

973 - K Closest Points to Origin

Posted on July 30, 2018

Java [Read More]

972 - Equal Rational Numbers

Posted on July 29, 2018

Formatted question description: https://leetcode.ca/all/972.html 972. Equal Rational Numbers Level Hard [Read More]

971 - Flip Binary Tree To Match Preorder Traversal

Posted on July 28, 2018

Formatted question description: https://leetcode.ca/all/971.html 971. Flip Binary Tree To Match Preorder Traversal (Medium) [Read More]

970 - Powerful Integers

Posted on July 27, 2018

Question [Read More]

Tags: C++ Easy

969 - Pancake Sorting

Posted on July 26, 2018

Formatted question description: https://leetcode.ca/all/969.html 969. Pancake Sorting (Medium) [Read More]

968 - Binary Tree Cameras

Posted on July 25, 2018

Formatted question description: https://leetcode.ca/all/968.html 968. Binary Tree Cameras (Hard) [Read More]

967 - Numbers With Same Consecutive Differences

Posted on July 24, 2018

Formatted question description: https://leetcode.ca/all/967.html 967. Numbers With Same Consecutive Differences (Medium) [Read More]

966 - Vowel Spellchecker

Posted on July 23, 2018

Formatted question description: https://leetcode.ca/all/966.html 966. Vowel Spellchecker Level Medium [Read More]

965 - Univalued Binary Tree

Posted on July 22, 2018

Question [Read More]

Tags: C++ Easy

964 - Least Operators to Express Number

Posted on July 21, 2018

Formatted question description: https://leetcode.ca/all/964.html 964. Least Operators to Express Number Level Hard [Read More]

963 - Minimum Area Rectangle II

Posted on July 20, 2018

Formatted question description: https://leetcode.ca/all/963.html 963. Minimum Area Rectangle II Level Medium [Read More]

962 - Maximum Width Ramp

Posted on July 19, 2018

Formatted question description: https://leetcode.ca/all/962.html 962. Maximum Width Ramp (Medium) [Read More]

961 - N-Repeated Element in Size 2N Array

Posted on July 18, 2018

Question [Read More]

Tags: C++ Easy HashMap

960 - Delete Columns to Make Sorted III

Posted on July 17, 2018

Formatted question description: https://leetcode.ca/all/960.html 960. Delete Columns to Make Sorted III (Hard) [Read More]

959 - Regions Cut By Slashes

Posted on July 16, 2018

Formatted question description: https://leetcode.ca/all/959.html 959. Regions Cut By Slashes (Medium) [Read More]

958 - Check Completeness of a Binary Tree

Posted on July 15, 2018

Formatted question description: https://leetcode.ca/all/958.html 958. Check Completeness of a Binary Tree (Medium) [Read More]

957 - Prison Cells After N Days

Posted on July 14, 2018

Formatted question description: https://leetcode.ca/all/957.html 957. Prison Cells After N Days (Medium) [Read More]

956 - Tallest Billboard

Posted on July 13, 2018

Formatted question description: https://leetcode.ca/all/956.html 956. Tallest Billboard (Hard) [Read More]

955 - Delete Columns to Make Sorted II

Posted on July 12, 2018

Formatted question description: https://leetcode.ca/all/955.html 955. Delete Columns to Make Sorted II (Medium) [Read More]

954 - Array of Doubled Pairs

Posted on July 11, 2018

Formatted question description: https://leetcode.ca/all/954.html 954. Array of Doubled Pairs (Medium) [Read More]

953 - Verifying an Alien Dictionary

Posted on July 10, 2018

Question [Read More]

Tags: C++ Easy Hashmap

952 - Largest Component Size by Common Factor

Posted on July 9, 2018

Formatted question description: https://leetcode.ca/all/952.html 952. Largest Component Size by Common Factor (Hard) [Read More]

951 - Flip Equivalent Binary Trees

Posted on July 8, 2018

Formatted question description: https://leetcode.ca/all/951.html 951. Flip Equivalent Binary Trees (Medium) [Read More]

950 - Reveal Cards In Increasing Order

Posted on July 7, 2018

Formatted question description: https://leetcode.ca/all/950.html 950. Reveal Cards In Increasing Order (Medium) [Read More]

949 - Largest Time for Given Digits

Posted on July 6, 2018

Formatted question description: https://leetcode.ca/all/949.html 949. Largest Time for Given Digits (Easy) [Read More]

948 - Bag of Tokens

Posted on July 5, 2018

Formatted question description: https://leetcode.ca/all/948.html 948. Bag of Tokens (Medium) [Read More]

947 - Most Stones Removed with Same Row or Column

Posted on July 4, 2018

Formatted question description: https://leetcode.ca/all/947.html 947. Most Stones Removed with Same Row or Column (Medium) [Read More]

946 - Validate Stack Sequences

Posted on July 3, 2018

Formatted question description: https://leetcode.ca/all/946.html 946. Validate Stack Sequences (Medium) [Read More]

945 - Minimum Increment to Make Array Unique

Posted on July 2, 2018

Formatted question description: https://leetcode.ca/all/945.html 945. Minimum Increment to Make Array Unique (Medium) [Read More]

944 - Delete Columns to Make Sorted

Posted on June 21, 2018

Formatted question description: https://leetcode.ca/all/934.html 934. Shortest Bridge Level Medium [Read More]

933 - Number of Recent Calls

Posted on June 20, 2018

Question [Read More]

Tags: C++ Easy

932 - Beautiful Array

Posted on June 19, 2018

Formatted question description: https://leetcode.ca/all/932.html 932. Beautiful Array (Medium) [Read More]

931 - Minimum Falling Path Sum

Posted on June 18, 2018

Formatted question description: https://leetcode.ca/all/931.html 931. Minimum Falling Path Sum (Medium) [Read More]

930 - Binary Subarrays With Sum

Posted on June 17, 2018

Formatted question description: https://leetcode.ca/all/930.html 930. Binary Subarrays With Sum Level Medium [Read More]

929 - Unique Email Addresses

Posted on June 16, 2018

Question [Read More]

Tags: C++ Easy Hashset

928 - Minimize Malware Spread II

Posted on June 15, 2018

Formatted question description: https://leetcode.ca/all/928.html 928. Minimize Malware Spread II (Hard) [Read More]

927 - Three Equal Parts

Posted on June 14, 2018

Formatted question description: https://leetcode.ca/all/927.html 927. Three Equal Parts Level Hard [Read More]

926 - Flip String to Monotone Increasing

Posted on June 13, 2018

Formatted question description: https://leetcode.ca/all/926.html 926. Flip String to Monotone Increasing (Medium) [Read More]

925 - Long Pressed Name

Posted on June 12, 2018

Formatted question description: https://leetcode.ca/all/925.html 925. Long Pressed Name (Easy) [Read More]

924 - Minimize Malware Spread

Posted on June 11, 2018

Formatted question description: https://leetcode.ca/all/924.html 924. Minimize Malware Spread (Hard) [Read More]

923 - 3Sum With Multiplicity

Posted on June 10, 2018

Formatted question description: https://leetcode.ca/all/923.html 923. 3Sum With Multiplicity (Medium) [Read More]

922 - Sort Array By Parity II

Posted on June 9, 2018

Java [Read More]

921 - Minimum Add to Make Parentheses Valid

Posted on June 8, 2018

Java [Read More]

920 - Number of Music Playlists

Posted on June 7, 2018

Formatted question description: https://leetcode.ca/all/920.html 920. Number of Music Playlists (Hard) [Read More]

919 - Complete Binary Tree Inserter

Posted on June 6, 2018

Formatted question description: https://leetcode.ca/all/919.html 919. Complete Binary Tree Inserter (Medium) [Read More]

918 - Maximum Sum Circular Subarray

Posted on June 5, 2018

Formatted question description: https://leetcode.ca/all/918.html 918. Maximum Sum Circular Subarray (Medium) [Read More]

Tags: Two Sigma Uber

917 - Reverse Only Letters

Posted on June 4, 2018

Formatted question description: https://leetcode.ca/all/917.html 917. Reverse Only Letters (Easy) [Read More]

916 - Word Subsets

Posted on June 3, 2018

Formatted question description: https://leetcode.ca/all/916.html 916. Word Subsets (Medium) [Read More]

915 - Partition Array into Disjoint Intervals

Posted on June 2, 2018

Formatted question description: https://leetcode.ca/all/915.html 915. Partition Array into Disjoint Intervals Level Medium [Read More]

914 - X of a Kind in a Deck of Cards

Posted on June 1, 2018

Formatted question description: https://leetcode.ca/all/914.html 914. X of a Kind in a Deck of Cards (Easy) [Read More]

913 - Cat and Mouse

Posted on May 31, 2018

Formatted question description: https://leetcode.ca/all/913.html 913. Cat and Mouse (Hard) [Read More]

912 - Sort an Array

Posted on May 30, 2018

Formatted question description: https://leetcode.ca/all/912.html 912. Sort an Array (Medium) [Read More]

911 - Online Election

Posted on May 29, 2018

Formatted question description: https://leetcode.ca/all/911.html 911. Online Election (Medium) [Read More]

910 - Smallest Range II

Posted on May 28, 2018

Formatted question description: https://leetcode.ca/all/910.html 910. Smallest Range II Level Medium [Read More]

909 - Snakes and Ladders

Posted on May 27, 2018

Formatted question description: https://leetcode.ca/all/909.html 909. Snakes and Ladders Level Medium [Read More]

908 - Smallest Range I

Posted on May 26, 2018

Formatted question description: https://leetcode.ca/all/908.html 908. Smallest Range I (Easy) [Read More]

907 - Sum of Subarray Minimums

Posted on May 25, 2018

Formatted question description: https://leetcode.ca/all/907.html 907. Sum of Subarray Minimums Level Medium [Read More]

906 - Super Palindromes

Posted on May 24, 2018

Formatted question description: https://leetcode.ca/all/906.html 906. Super Palindromes (Hard) [Read More]

905 - Sort Array By Parity

Posted on May 23, 2018

Formatted question description: https://leetcode.ca/all/905.html 905. Sort Array By Parity (Easy) [Read More]

904 - Fruit Into Baskets

Posted on May 22, 2018

Formatted question description: https://leetcode.ca/all/904.html 904. Fruit Into Baskets Level Medium [Read More]

903 - Valid Permutations for DI Sequence

Posted on May 21, 2018

Formatted question description: https://leetcode.ca/all/903.html 903. Valid Permutations for DI Sequence (Hard) [Read More]

902 - Numbers At Most N Given Digit Set

Posted on May 20, 2018

Formatted question description: https://leetcode.ca/all/902.html 902. Numbers At Most N Given Digit Set (Hard) [Read More]

901 - Online Stock Span

Posted on May 19, 2018

Formatted question description: https://leetcode.ca/all/901.html 901. Online Stock Span (Medium) [Read More]

900 - RLE Iterator

Posted on May 18, 2018

Formatted question description: https://leetcode.ca/all/900.html 900. RLE Iterator (Medium) [Read More]

899 - Orderly Queue

Posted on May 17, 2018

Formatted question description: https://leetcode.ca/all/899.html 899. Orderly Queue (Hard) [Read More]

898 - Bitwise ORs of Subarrays

Posted on May 16, 2018

Formatted question description: https://leetcode.ca/all/898.html 898. Bitwise ORs of Subarrays Level Medium [Read More]

897 - Increasing Order Search Tree

Posted on May 15, 2018

Formatted question description: https://leetcode.ca/all/897.html 897. Increasing Order Search Tree (Easy) [Read More]

896 - Monotonic Array

Posted on May 14, 2018

Formatted question description: https://leetcode.ca/all/896.html 896. Monotonic Array (Easy) [Read More]

895 - Maximum Frequency Stack

Posted on May 13, 2018

Formatted question description: https://leetcode.ca/all/895.html [Read More]

Tags: .TreeMap

894 - All Possible Full Binary Trees

Posted on May 12, 2018

Formatted question description: https://leetcode.ca/all/894.html 894. All Possible Full Binary Trees (Medium) [Read More]

893 - Groups of Special-Equivalent Strings

Posted on May 11, 2018

Formatted question description: https://leetcode.ca/all/893.html 893. Groups of Special-Equivalent Strings (Easy) [Read More]

892 - Surface Area of 3D Shapes

Posted on May 10, 2018

Formatted question description: https://leetcode.ca/all/892.html 892. Surface Area of 3D Shapes (Easy) [Read More]

891 - Sum of Subsequence Widths

Posted on May 9, 2018

Formatted question description: https://leetcode.ca/all/891.html 891. Sum of Subsequence Widths Level Hard [Read More]

890 - Find and Replace Pattern

Posted on May 8, 2018

Formatted question description: https://leetcode.ca/all/890.html 890. Find and Replace Pattern (Medium) [Read More]

889 - Construct Binary Tree from Preorder and Postorder Traversal

Posted on May 7, 2018

Formatted question description: https://leetcode.ca/all/889.html [Read More]

Tags: Amazon Bloomberg Facebook Google Uber .Star

888 - Fair Candy Swap

Posted on May 6, 2018

Formatted question description: https://leetcode.ca/all/888.html 888. Fair Candy Swap (Easy) [Read More]

887 - Super Egg Drop

Posted on May 5, 2018

Formatted question description: https://leetcode.ca/all/887.html 887. Super Egg Drop (Hard) [Read More]

886 - Possible Bipartition

Posted on May 4, 2018

Formatted question description: https://leetcode.ca/all/886.html 886. Possible Bipartition (Medium) [Read More]

885 - Spiral Matrix III

Posted on May 3, 2018

Formatted question description: https://leetcode.ca/all/885.html [Read More]

884 - Uncommon Words from Two Sentences

Posted on May 2, 2018

Formatted question description: https://leetcode.ca/all/884.html 884. Uncommon Words from Two Sentences (Easy) [Read More]

883 - Projection Area of 3D Shapes

Posted on May 1, 2018

Formatted question description: https://leetcode.ca/all/883.html 883. Projection Area of 3D Shapes (Easy) [Read More]

882 - Reachable Nodes In Subdivided Graph

Posted on April 30, 2018

Formatted question description: https://leetcode.ca/all/882.html 882. Reachable Nodes In Subdivided Graph (Hard) [Read More]

881 - Boats to Save People

Posted on April 29, 2018

Formatted question description: https://leetcode.ca/all/881.html 881. Boats to Save People (Medium) [Read More]

880 - Decoded String at Index

Posted on April 28, 2018

Formatted question description: https://leetcode.ca/all/880.html 880. Decoded String at Index (Medium) [Read More]

879 - Profitable Schemes

Posted on April 27, 2018

Formatted question description: https://leetcode.ca/all/879.html 879. Profitable Schemes Level Hard [Read More]

878 - Nth Magical Number

Posted on April 26, 2018

Formatted question description: https://leetcode.ca/all/878.html 878. Nth Magical Number Level Hard [Read More]

877 - Stone Game

Posted on April 25, 2018

Formatted question description: https://leetcode.ca/all/877.html 877. Stone Game (Medium) [Read More]

876 - Middle of the Linked List

Posted on April 24, 2018

Formatted question description: https://leetcode.ca/all/876.html 876. Middle of the Linked List (Easy) [Read More]

875 - Koko Eating Bananas

Posted on April 23, 2018

Formatted question description: https://leetcode.ca/all/875.html 875. Koko Eating Bananas (Medium) [Read More]

874 - Walking Robot Simulation

Posted on April 22, 2018

Formatted question description: https://leetcode.ca/all/874.html 874. Walking Robot Simulation (Easy) [Read More]

873 - Length of Longest Fibonacci Subsequence

Posted on April 21, 2018

Formatted question description: https://leetcode.ca/all/873.html 873. Length of Longest Fibonacci Subsequence Level Medium [Read More]

872 - Leaf-Similar Trees

Posted on April 20, 2018

Formatted question description: https://leetcode.ca/all/872.html 766. Toeplitz Matrix (Easy) [Read More]

871 - Minimum Number of Refueling Stops

Posted on April 19, 2018

Formatted question description: https://leetcode.ca/all/871.html 871. Minimum Number of Refueling Stops Level Hard [Read More]

870 - Advantage Shuffle

Posted on April 18, 2018

Formatted question description: https://leetcode.ca/all/870.html 870. Advantage Shuffle (Medium) [Read More]

869 - Reordered Power of 2

Posted on April 17, 2018

Formatted question description: https://leetcode.ca/all/869.html 869. Reordered Power of 2 (Medium) [Read More]

868 - Binary Gap

Posted on April 16, 2018

Formatted question description: https://leetcode.ca/all/868.html 868. Binary Gap (Easy) [Read More]

867 - Transpose Matrix

Posted on April 15, 2018

Java [Read More]

866 - Prime Palindrome

Posted on April 14, 2018

Formatted question description: https://leetcode.ca/all/866.html 866. Prime Palindrome (Medium) [Read More]

865 - Smallest Subtree with all the Deepest Nodes

Posted on April 13, 2018

Formatted question description: https://leetcode.ca/all/865.html 865. Smallest Subtree with all the Deepest Nodes (Medium) [Read More]

864 - Shortest Path to Get All Keys

Posted on April 12, 2018

Formatted question description: https://leetcode.ca/all/864.html 864. Shortest Path to Get All Keys Level Hard [Read More]

863 - All Nodes Distance K in Binary Tree

Posted on April 11, 2018

Formatted question description: https://leetcode.ca/all/863.html 863. All Nodes Distance K in Binary Tree (Medium) [Read More]

862 - Shortest Subarray with Sum at Least K

Posted on April 10, 2018

Formatted question description: https://leetcode.ca/all/862.html 862. Shortest Subarray with Sum at Least K (Hard) [Read More]

861 - Score After Flipping Matrix

Posted on April 9, 2018

Formatted question description: https://leetcode.ca/all/861.html 861. Score After Flipping Matrix (Medium) [Read More]

860 - Lemonade Change

Posted on April 8, 2018

Java [Read More]

859 - Buddy Strings

Posted on April 7, 2018

Java [Read More]

858 - Mirror Reflection

Posted on April 6, 2018

Formatted question description: https://leetcode.ca/all/858.html 858. Mirror Reflection (Medium) [Read More]

857 - Minimum Cost to Hire K Workers

Posted on April 5, 2018

Formatted question description: https://leetcode.ca/all/857.html 857. Minimum Cost to Hire K Workers (Hard) [Read More]

856 - Score of Parentheses

Posted on April 4, 2018

Formatted question description: https://leetcode.ca/all/856.html 856. Score of Parentheses (Medium) [Read More]

855 - Exam Room

Posted on April 3, 2018

Formatted question description: https://leetcode.ca/all/855.html 855. Exam Room (Medium) [Read More]

854 - K-Similar Strings

Posted on April 2, 2018

Formatted question description: https://leetcode.ca/all/854.html 854. K-Similar Strings Level Hard [Read More]

853 - Car Fleet

Posted on April 1, 2018

Formatted question description: https://leetcode.ca/all/853.html 853. Car Fleet Level Medium [Read More]

852 - Peak Index in a Mountain Array

Posted on March 31, 2018

Java [Read More]

851 - Loud and Rich

Posted on March 30, 2018

Formatted question description: https://leetcode.ca/all/851.html 851. Loud and Rich Level Medium [Read More]

850 - Rectangle Area II

Posted on March 29, 2018

Formatted question description: https://leetcode.ca/all/850.html 850. Rectangle Area II Level Hard [Read More]

849 - Maximize Distance to Closest Person

Posted on March 28, 2018

Formatted question description: https://leetcode.ca/all/849.html 849. Maximize Distance to Closest Person (Medium) [Read More]

848 - Shifting Letters

Posted on March 27, 2018

Formatted question description: https://leetcode.ca/all/848.html 848. Shifting Letters Level Medium [Read More]

847 - Shortest Path Visiting All Nodes

Posted on March 26, 2018

Formatted question description: https://leetcode.ca/all/847.html 847. Shortest Path Visiting All Nodes Level Hard [Read More]

846 - Hand of Straights

Posted on March 25, 2018

Formatted question description: https://leetcode.ca/all/846.html 846. Hand of Straights (Medium) [Read More]

845 - Longest Mountain in Array

Posted on March 24, 2018

Formatted question description: https://leetcode.ca/all/845.html 845. Longest Mountain in Array (Medium) [Read More]

844 - Backspace String Compare

Posted on March 23, 2018

Formatted question description: https://leetcode.ca/all/844.html 844. Backspace String Compare (Easy) [Read More]

843 - Guess the Word

Posted on March 22, 2018

Formatted question description: https://leetcode.ca/all/843.html 843. Guess the Word (Hard) [Read More]

842 - Split Array into Fibonacci Sequence

Posted on March 21, 2018

Formatted question description: https://leetcode.ca/all/842.html 842. Split Array into Fibonacci Sequence Level Medium [Read More]

841 - Keys and Rooms

Posted on March 20, 2018

Formatted question description: https://leetcode.ca/all/841.html 841. Keys and Rooms (Medium) [Read More]

840 - Magic Squares In Grid

Posted on March 19, 2018

Formatted question description: https://leetcode.ca/all/840.html 840. Magic Squares In Grid (Easy) [Read More]

839 - Similar String Groups

Posted on March 18, 2018

Formatted question description: https://leetcode.ca/all/839.html 839. Similar String Groups (Hard) [Read More]

838 - Push Dominoes

Posted on March 17, 2018

Formatted question description: https://leetcode.ca/all/838.html 838. Push Dominoes Level Medium [Read More]

837 - New 21 Game

Posted on March 16, 2018

Formatted question description: https://leetcode.ca/all/837.html 837. New 21 Game (Medium) [Read More]

836 - Rectangle Overlap

Posted on March 15, 2018

Java [Read More]

835 - Image Overlap

Posted on March 14, 2018

Formatted question description: https://leetcode.ca/all/835.html 835. Image Overlap (Medium) [Read More]

834 - Sum of Distances in Tree

Posted on March 13, 2018

Formatted question description: https://leetcode.ca/all/834.html 834. Sum of Distances in Tree Level Hard [Read More]

833 - Find And Replace in String

Posted on March 12, 2018

Formatted question description: https://leetcode.ca/all/833.html 833. Find And Replace in String Level Medium [Read More]

832 - Flipping an Image

Posted on March 11, 2018

Formatted question description: https://leetcode.ca/all/832.html 832. Flipping an Image (Easy) [Read More]

831 - Masking Personal Information

Posted on March 10, 2018

Formatted question description: https://leetcode.ca/all/831.html 831. Masking Personal Information (Medium) [Read More]

830 - Positions of Large Groups

Posted on March 9, 2018

Formatted question description: https://leetcode.ca/all/830.html 830. Positions of Large Groups (Easy) [Read More]

829 - Consecutive Numbers Sum

Posted on March 8, 2018

Formatted question description: https://leetcode.ca/all/829.html 829. Consecutive Numbers Sum (Hard) [Read More]

828 - Count Unique Characters of All Substrings of a Given String

Posted on March 7, 2018

Formatted question description: https://leetcode.ca/all/828.html 828. Unique Letter String (Hard) [Read More]

827 - Making A Large Island

Posted on March 6, 2018

Formatted question description: https://leetcode.ca/all/827.html 827. Making A Large Island (Hard) [Read More]

826 - Most Profit Assigning Work

Posted on March 5, 2018

Formatted question description: https://leetcode.ca/all/826.html 826. Most Profit Assigning Work (Medium) [Read More]

825 - Friends Of Appropriate Ages

Posted on March 4, 2018

Formatted question description: https://leetcode.ca/all/825.html 825. Friends Of Appropriate Ages (Medium) [Read More]

824 - Goat Latin

Posted on March 3, 2018

Formatted question description: https://leetcode.ca/all/824.html 824. Goat Latin (Easy) [Read More]

823 - Binary Trees With Factors

Posted on March 2, 2018

Formatted question description: https://leetcode.ca/all/823.html 823. Binary Trees With Factors (Medium) [Read More]

822 - Card Flipping Game

Posted on March 1, 2018

Formatted question description: https://leetcode.ca/all/822.html 822. Card Flipping Game Level Medium [Read More]

821 - Shortest Distance to a Character

Posted on February 28, 2018

Formatted question description: https://leetcode.ca/all/821.html 821. Shortest Distance to a Character (Easy) [Read More]

820 - Short Encoding of Words

Posted on February 27, 2018

Formatted question description: https://leetcode.ca/all/820.html 820. Short Encoding of Words Level Medium [Read More]

819 - Most Common Word

Posted on February 26, 2018

Formatted question description: https://leetcode.ca/all/819.html 819. Most Common Word (Easy) [Read More]

818 - Race Car

Posted on February 25, 2018

Formatted question description: https://leetcode.ca/all/818.html 818. Race Car Level Hard [Read More]

817 - Linked List Components

Posted on February 24, 2018

Formatted question description: https://leetcode.ca/all/817.html 817. Linked List Components (Medium) [Read More]

816 - Ambiguous Coordinates

Posted on February 23, 2018

Formatted question description: https://leetcode.ca/all/816.html 816. Ambiguous Coordinates Level Medium [Read More]

815 - Bus Routes

Posted on February 22, 2018

Formatted question description: https://leetcode.ca/all/815.html 815. Bus Routes Level Hard [Read More]

814 - Binary Tree Pruning

Posted on February 21, 2018

Java [Read More]

813 - Largest Sum of Averages

Posted on February 20, 2018

Formatted question description: https://leetcode.ca/all/813.html 813. Largest Sum of Averages (Medium) [Read More]

812 - Largest Triangle Area

Posted on February 19, 2018

Formatted question description: https://leetcode.ca/all/812.html 812. Largest Triangle Area (Easy) [Read More]

811 - Subdomain Visit Count

Posted on February 18, 2018

Formatted question description: https://leetcode.ca/all/811.html 811. Subdomain Visit Count (Easy) [Read More]

Tags: .Star

810 - Chalkboard XOR Game

Posted on February 17, 2018

Formatted question description: https://leetcode.ca/all/810.html 810. Chalkboard XOR Game Level Hard [Read More]

809 - Expressive Words

Posted on February 16, 2018

Formatted question description: https://leetcode.ca/all/809.html 809. Expressive Words (Medium) [Read More]

808 - Soup Servings

Posted on February 15, 2018

Formatted question description: https://leetcode.ca/all/808.html 808. Soup Servings Level Medium [Read More]

807 - Max Increase to Keep City Skyline

Posted on February 14, 2018

Java [Read More]

806 - Number of Lines To Write String

Posted on February 13, 2018

Formatted question description: https://leetcode.ca/all/806.html 806. Number of Lines To Write String (Easy) [Read More]

805 - Split Array With Same Average

Posted on February 12, 2018

Formatted question description: https://leetcode.ca/all/805.html 805. Split Array With Same Average (Hard) [Read More]

804 - Unique Morse Code Words

Posted on February 11, 2018

Java [Read More]

803 - Bricks Falling When Hit

Posted on February 10, 2018

Formatted question description: https://leetcode.ca/all/803.html 803. Bricks Falling When Hit Level Hard [Read More]

802 - Find Eventual Safe States

Posted on February 9, 2018

Formatted question description: https://leetcode.ca/all/802.html 802. Find Eventual Safe States (Medium) [Read More]

801 - Minimum Swaps To Make Sequences Increasing

Posted on February 8, 2018

Formatted question description: https://leetcode.ca/all/801.html 801. Minimum Swaps To Make Sequences Increasing Level Medium [Read More]

800 - Similar RGB Color

Posted on February 7, 2018

Formatted question description: https://leetcode.ca/all/800.html 800. Similar RGB Color (Easy) [Read More]

799 - Champagne Tower

Posted on February 6, 2018

Formatted question description: https://leetcode.ca/all/799.html 799. Champagne Tower (Medium) [Read More]

798 - Smallest Rotation with Highest Score

Posted on February 5, 2018

Formatted question description: https://leetcode.ca/all/798.html 798. Smallest Rotation with Highest Score Level Hard [Read More]

797 - All Paths From Source to Target

Posted on February 4, 2018

Formatted question description: https://leetcode.ca/all/797.html [Read More]

796 - Rotate String

Posted on February 3, 2018

Formatted question description: https://leetcode.ca/all/796.html 796. Rotate String (Easy) [Read More]

795 - Number of Subarrays with Bounded Maximum

Posted on February 2, 2018

Formatted question description: https://leetcode.ca/all/795.html 795. Number of Subarrays with Bounded Maximum (Medium) [Read More]

794 - Valid Tic-Tac-Toe State

Posted on February 1, 2018

Formatted question description: https://leetcode.ca/all/794.html 794. Valid Tic-Tac-Toe State (Medium) [Read More]

793 - Preimage Size of Factorial Zeroes Function

Posted on January 31, 2018

Formatted question description: https://leetcode.ca/all/793.html 793. Preimage Size of Factorial Zeroes Function (Hard) [Read More]

792 - Number of Matching Subsequences

Posted on January 30, 2018

Formatted question description: https://leetcode.ca/all/792.html 792. Number of Matching Subsequences Level Medium [Read More]

791 - Custom Sort String

Posted on January 29, 2018

Formatted question description: https://leetcode.ca/all/791.html 791. Custom Sort String (Medium) [Read More]

790 - Domino and Tromino Tiling

Posted on January 28, 2018

Formatted question description: https://leetcode.ca/all/790.html 790. Domino and Tromino Tiling Level Medium [Read More]

789 - Escape The Ghosts

Posted on January 27, 2018

Formatted question description: https://leetcode.ca/all/789.html 789. Escape The Ghosts Level Medium [Read More]

788 - Rotated Digits

Posted on January 26, 2018

Formatted question description: https://leetcode.ca/all/788.html 788. Rotated Digits (Easy) [Read More]

787 - Cheapest Flights Within K Stops

Posted on January 25, 2018

Formatted question description: https://leetcode.ca/all/787.html 787. Cheapest Flights Within K Stops (Medium) [Read More]

786 - K-th Smallest Prime Fraction

Posted on January 24, 2018

Formatted question description: https://leetcode.ca/all/786.html 786. K-th Smallest Prime Fraction Level Hard [Read More]

785 - Is Graph Bipartite?

Posted on January 23, 2018

Formatted question description: https://leetcode.ca/all/785.html 785. Is Graph Bipartite? (Medium) [Read More]

784 - Letter Case Permutation

Posted on January 22, 2018

Formatted question description: https://leetcode.ca/all/784.html [Read More]

Tags: Amazon Apple Facebook Microsoft Yelp

783 - Minimum Distance Between BST Nodes

Posted on January 21, 2018

Formatted question description: https://leetcode.ca/all/783.html 783. Minimum Distance Between BST Nodes (Medium) [Read More]

782 - Transform to Chessboard

Posted on January 20, 2018

Formatted question description: https://leetcode.ca/all/782.html 782. Transform to Chessboard Level Hard [Read More]

781 - Rabbits in Forest

Posted on January 19, 2018

Formatted question description: https://leetcode.ca/all/781.html 781. Rabbits in Forest (Medium) [Read More]

780 - Reaching Points

Posted on January 18, 2018

Formatted question description: https://leetcode.ca/all/780.html 780. Reaching Points (Hard) [Read More]

779 - K-th Symbol in Grammar

Posted on January 17, 2018

Formatted question description: https://leetcode.ca/all/779.html 779. K-th Symbol in Grammar Level Medium [Read More]

778 - Swim in Rising Water

Posted on January 16, 2018

Formatted question description: https://leetcode.ca/all/778.html 778. Swim in Rising Water Level Hard [Read More]

777 - Swap Adjacent in LR String

Posted on January 15, 2018

Formatted question description: https://leetcode.ca/all/777.html 777. Swap Adjacent in LR String (Medium) [Read More]

776 - Split BST

Posted on January 14, 2018

Formatted question description: https://leetcode.ca/all/776.html 776. Split BST Level Medium [Read More]

Tags: Amazon Coupang Google

775 - Global and Local Inversions

Posted on January 13, 2018

Formatted question description: https://leetcode.ca/all/775.html 775. Global and Local Inversions (Medium) [Read More]

774 - Minimize Max Distance to Gas Station

Posted on January 12, 2018

Formatted question description: https://leetcode.ca/all/774.html 774. Minimize Max Distance to Gas Station Level Hard [Read More]

773 - Sliding Puzzle

Posted on January 11, 2018

Formatted question description: https://leetcode.ca/all/773.html 773. Sliding Puzzle Level Hard [Read More]

772 - Basic Calculator III

Posted on January 10, 2018

Formatted question description: https://leetcode.ca/all/772.html [Read More]

Tags: .Star

771 - Jewels and Stones

Posted on January 9, 2018

Formatted question description: https://leetcode.ca/all/771.html [Read More]

770 - Basic Calculator IV

Posted on January 8, 2018

Formatted question description: https://leetcode.ca/all/770.html 770. Basic Calculator IV (Hard) [Read More]

769 - Max Chunks To Make Sorted

Posted on January 7, 2018

Formatted question description: https://leetcode.ca/all/769.html 769. Max Chunks To Make Sorted (Medium) [Read More]

768 - Max Chunks To Make Sorted II

Posted on January 6, 2018

Formatted question description: https://leetcode.ca/all/768.html 768. Max Chunks To Make Sorted II (Hard) [Read More]

767 - Reorganize String

Posted on January 5, 2018

Formatted question description: https://leetcode.ca/all/767.html 767. Reorganize String (Medium) [Read More]

766 - Toeplitz Matrix

Posted on January 4, 2018

Java [Read More]

765 - Couples Holding Hands

Posted on January 3, 2018

Formatted question description: https://leetcode.ca/all/765.html 765. Couples Holding Hands (Hard) [Read More]

764 - Largest Plus Sign

Posted on January 2, 2018

Formatted question description: https://leetcode.ca/all/764.html 764. Largest Plus Sign Level Medium [Read More]

763 - Partition Labels

Posted on January 1, 2018

Java [Read More]

762 - Prime Number of Set Bits in Binary Representation

Posted on December 31, 2017

Formatted question description: https://leetcode.ca/all/762.html 762. Prime Number of Set Bits in Binary Representation (Easy) [Read More]

761 - Special Binary String

Posted on December 30, 2017

Formatted question description: https://leetcode.ca/all/761.html 761. Special Binary String Level Hard [Read More]

760 - Find Anagram Mappings

Posted on December 29, 2017

Formatted question description: https://leetcode.ca/all/760.html 760. Find Anagram Mappings (Easy) [Read More]

759 - Employee Free Time

Posted on December 28, 2017

Formatted question description: https://leetcode.ca/all/759.html 759. Employee Free Time Level Hard [Read More]

758 - Bold Words in String

Posted on December 27, 2017

Formatted question description: https://leetcode.ca/all/758.html 758. Bold Words in String Level Easy [Read More]

757 - Set Intersection Size At Least Two

Posted on December 26, 2017

Formatted question description: https://leetcode.ca/all/757.html 757. Set Intersection Size At Least Two (Hard) [Read More]

756 - Pyramid Transition Matrix

Posted on December 25, 2017

Formatted question description: https://leetcode.ca/all/756.html 756. Pyramid Transition Matrix Level Medium [Read More]

755 - Pour Water

Posted on December 24, 2017

Formatted question description: https://leetcode.ca/all/755.html 755. Pour Water (Medium) [Read More]

754 - Reach a Number

Posted on December 23, 2017

Formatted question description: https://leetcode.ca/all/754.html 754. Reach a Number (Easy) [Read More]

753 - Cracking the Safe

Posted on December 22, 2017

Formatted question description: https://leetcode.ca/all/753.html 753. Cracking the Safe (Hard) [Read More]

752 - Open the Lock

Posted on December 21, 2017

Formatted question description: https://leetcode.ca/all/752.html 752. Open the Lock (Medium) [Read More]

751 - IP to CIDR

Posted on December 20, 2017

Formatted question description: https://leetcode.ca/all/751.html [Read More]

750 - Number Of Corner Rectangles

Posted on December 19, 2017

Formatted question description: https://leetcode.ca/all/750.html 750. Number Of Corner Rectangles (Medium) [Read More]

749 - Contain Virus

Posted on December 18, 2017

Formatted question description: https://leetcode.ca/all/749.html 749. Contain Virus Level Hard [Read More]

748 - Shortest Completing Word

Posted on December 17, 2017

Formatted question description: https://leetcode.ca/all/748.html 748. Shortest Completing Word (Easy) [Read More]

747 - Largest Number At Least Twice of Others

Posted on December 16, 2017

Formatted question description: https://leetcode.ca/all/747.html 747. Largest Number At Least Twice of Others (Easy) [Read More]

746 - Min Cost Climbing Stairs

Posted on December 15, 2017

Formatted question description: https://leetcode.ca/all/746.html 746. Min Cost Climbing Stairs (Easy) [Read More]

745 - Prefix and Suffix Search

Posted on December 14, 2017

Formatted question description: https://leetcode.ca/all/745.html 745. Prefix and Suffix Search (Hard) [Read More]

744 - Find Smallest Letter Greater Than Target

Posted on December 13, 2017

Formatted question description: https://leetcode.ca/all/744.html 744. Find Smallest Letter Greater Than Target (Easy) [Read More]

743 - Network Delay Time

Posted on December 12, 2017

Formatted question description: https://leetcode.ca/all/743.html 743. Network Delay Time (Medium) [Read More]

742 - Closest Leaf in a Binary Tree

Posted on December 11, 2017

Formatted question description: https://leetcode.ca/all/742.html 742. Closest Leaf in a Binary Tree Level Medium [Read More]

741 - Cherry Pickup

Posted on December 10, 2017

Formatted question description: https://leetcode.ca/all/741.html 741. Cherry Pickup Level Hard [Read More]

740 - Delete and Earn

Posted on December 9, 2017

Formatted question description: https://leetcode.ca/all/740.html 740. Delete and Earn (Medium) [Read More]

739 - Daily Temperatures

Posted on December 8, 2017

Java [Read More]

738 - Monotone Increasing Digits

Posted on December 7, 2017

Formatted question description: https://leetcode.ca/all/738.html 738. Monotone Increasing Digits Level Medium [Read More]

737 - Sentence Similarity II

Posted on December 6, 2017

Formatted question description: https://leetcode.ca/all/737.html 737. Sentence Similarity II Level Medium [Read More]

736 - Parse Lisp Expression

Posted on December 5, 2017

Formatted question description: https://leetcode.ca/all/736.html 736. Parse Lisp Expression Level Hard [Read More]

735 - Asteroid Collision

Posted on December 4, 2017

Formatted question description: https://leetcode.ca/all/735.html 735. Asteroid Collision (Medium) [Read More]

734 - Sentence Similarity

Posted on December 3, 2017

Question [Read More]

Tags: Google

733 - Flood Fill

Posted on December 2, 2017

Java [Read More]

732 - My Calendar III

Posted on December 1, 2017

Formatted question description: https://leetcode.ca/all/732.html [Read More]

Tags: .Star .TreeMap

731 - My Calendar II

Posted on November 30, 2017

Formatted question description: https://leetcode.ca/all/731.html [Read More]

Tags: .Star .TreeMap

730 - Count Different Palindromic Subsequences

Posted on November 29, 2017

Formatted question description: https://leetcode.ca/all/730.html 730. Count Different Palindromic Subsequences (Hard) [Read More]

729 - My Calendar I

Posted on November 28, 2017

Formatted question description: https://leetcode.ca/all/729.html [Read More]

Tags: .Star .TreeMap

728 - Self Dividing Numbers

Posted on November 27, 2017

Formatted question description: https://leetcode.ca/all/728.html [Read More]

727 - Minimum Window Subsequence

Posted on November 26, 2017

Formatted question description: https://leetcode.ca/all/727.html 727. Minimum Window Subsequence Level Hard [Read More]

726 - Number of Atoms

Posted on November 25, 2017

Formatted question description: https://leetcode.ca/all/726.html 726. Number of Atoms (Hard) [Read More]

725 - Split Linked List in Parts

Posted on November 24, 2017

Formatted question description: https://leetcode.ca/all/725.html [Read More]

724 - Find Pivot Index

Posted on November 23, 2017

Formatted question description: https://leetcode.ca/all/724.html [Read More]

723 - Candy Crush

Posted on November 22, 2017

Question [Read More]

Tags: Bloomberg Google Rubrik

722 - Remove Comments

Posted on November 21, 2017

Java [Read More]

721 - Accounts Merge

Posted on November 20, 2017

Formatted question description: https://leetcode.ca/all/721.html 721. Accounts Merge Level Medium [Read More]

720 - Longest Word in Dictionary

Posted on November 19, 2017

Java [Read More]

719 - Find K-th Smallest Pair Distance

Posted on November 18, 2017

Formatted question description: https://leetcode.ca/all/719.html 719. Find K-th Smallest Pair Distance (Hard) [Read More]

718 - Maximum Length of Repeated Subarray

Posted on November 17, 2017

Formatted question description: https://leetcode.ca/all/718.html [Read More]

Tags: .Star

717 - 1-bit and 2-bit Characters

Posted on November 16, 2017

Formatted question description: https://leetcode.ca/all/717.html 717. 1-bit and 2-bit Characters (Easy) [Read More]

716 - Max Stack

Posted on November 15, 2017

Formatted question description: https://leetcode.ca/all/716.html [Read More]

Tags: .Star

715 - Range Module

Posted on November 14, 2017

Formatted question description: https://leetcode.ca/all/715.html [Read More]

714 - Best Time to Buy and Sell Stock with Transaction Fee

Posted on November 13, 2017

Formatted question description: https://leetcode.ca/all/714.html [Read More]

Tags: .Star