#594

Longest Harmonious Subsequence

easy · 64.4% accepted · 2,826 likes · top 68%

array · hash table · sliding window · sorting · counting

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Description

We define a harmonious array as an array where the difference between its maximum value and its minimum value is exactly 1.

Given an integer array nums, return the length of its longest harmonious subsequence among all its possible subsequences.

Solution