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AI Features

Solution: String Compression

Understand how to implement string compression using the two pointers technique. Learn to traverse and encode character groups in place with constant extra space, enhancing your ability to solve similar array and string problems efficiently.

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 ...