Number of Ways to Stay in the Same Place After Some Steps

Painting the Walls

Remove Colored Pieces if Both Neighbors are the Same Color

Removing Stars From a String

Remove All Adjacent Duplicates In String 1

November 23, 2023 · 2 min · TagsList of tags for the post  leetcode ·  stack ·  string ·  Last updated: Jul 29, 2025

Most Common Word

A Number After a Double Reversal

First Letter to Appear Twice

Longest Word in Dictionary through Deleting

Prefix and Suffix Search

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