Problem bank
MediumBacktrackingNeetCode 150 · #76/150

Word Search

  1. 1
    Learn the pattern

    Choose → explore → unchoose. Prune early and sort input when duplicates exist.

  2. 2
    Watch it run

    See this exact pattern animated step by step before you touch the keyboard.

    Open visualizer
  3. 3
    Solve it

    Solve it on LeetCode, then mark it solved here to keep your streak alive.

Combination Sum IIPalindrome Partitioning