Search⌘ K
AI Features

Solution: String Compression

Explore how to solve string compression problems by applying the two-pointer technique. Understand how to perform run-length encoding directly on an array without extra space, optimizing both time and space complexity in practice.

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 ...