1. Group Anagramshistorical

    Group anagrams using a brute-force method and hashing.

  2. Find All Anagrams in a Stringhistorical

    Find all anagrams in a string using brute force and a sliding window with counts.

  3. Longest Common Prefixhistorical

    Longest common prefix using a brute-force approach, with a trie idea noted.