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961. N-Repeated Element in Size 2N Array

In a array A of size 2N, there are N+1 unique elements, and exactly one of these elements is repeated N times.

Return the element repeated N times.

 

Example 1:

Input: [1,2,3,3]
Output: 3

Example 2:

Input: [2,1,2,5,3,2]
Output: 2

Example 3:

Input: [5,1,5,2,5,3,5,4]
Output: 5

 

Note:

  1. 4 <= A.length <= 10000
  2. 0 <= A[i] < 10000
  3. A.length is even

Difficulty:

Easy

Lock:

Normal

Company:

akamai Apple

Problem Solution

961-N-Repeated-Element-in-Size--2N-Array

All Problems:

Link to All Problems
All contents and pictures on this website come from the Internet and are updated regularly every week. They are for personal study and research only, and should not be used for commercial purposes. Thank you for your cooperation.