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Solution: String Compression

Explore the in-place string compression technique using two pointers to efficiently group and encode repeated characters within an array. Understand how to traverse and modify the array without extra space, improving your ability to solve similar coding interview problems.

Statement

Given an array of characters, chars, compress it in place according to the following rules:

  1. Start with an empty string s.

  2. For each group of consecutive repeating characters in chars:

    1. If the group length is ...