NeetCode #779LC-978MediumGreedyNC 250
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#779 · #978 · Longest Turbulent Subarray(最长湍流子数组)

📌 Problem Statement & Constraints

A subarray is turbulent if the comparison sign between adjacent elements alternates (<, >, <, ... or >, <, >, ...). Return the length of the longest turbulent subarray of arr. Constraints: 1 <= arr.length <= 4 * 10^4, 0 <= arr[i] <= 10^9.
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