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3922 - Minimum Flips to Make Binary String Coherent

Posted on June 19, 2026

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3921 - Score Validator

Posted on June 18, 2026

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3920 - Maximize Fixed Points After Deletions

Posted on June 17, 2026

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3919 - Minimum Cost to Move Between Indices

Posted on June 16, 2026

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3918 - Sum of Primes Between Number and Its Reverse

Posted on June 15, 2026

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3917 - Count Indices With Opposite Parity

Posted on June 14, 2026

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3916 - Number of ZigZag Arrays III

Posted on June 13, 2026

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3915 - Maximum Sum of Alternating Subsequence With Distance at Least K

Posted on June 12, 2026

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3914 - Minimum Operations to Make Array Non Decreasing

Posted on June 11, 2026

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3913 - Sort Vowels by Frequency

Posted on June 10, 2026

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3912 - Valid Elements in an Array

Posted on June 9, 2026

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3911 - K-th Smallest Remaining Even Integer in Subarray Queries

Posted on June 8, 2026

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3910 - Count Connected Subgraphs with Even Node Sum

Posted on June 7, 2026

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3909 - Compare Sums of Bitonic Parts

Posted on June 6, 2026

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3908 - Valid Digit Number

Posted on June 5, 2026

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