Web Reference: The compressed string s should not be returned separately, but instead, be stored in the input character array chars. Note that group lengths that are 10 or longer will be split into multiple characters in chars. After you are done modifying the input array, return the new length of the array. In-depth solution and explanation for LeetCode 443. String Compression in Python, Java, C++ and more. Intuitions, example walk through, and complexity analysis. Better than official and forum solutions. Given an array of characters, compress it in-place. The length after compression must always be smaller than or equal to the original array. Every element of the array should be a character (not int) of length 1. After you are done modifying the input array in-place, return the new length of the array.
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