Number of Distinct Substrings in a String

Strings Differ by One Character

Encode Number

Smallest Common Region

Synonymous Sentences

Design File System

Remove Vowels from a String

November 27, 2024 · 2 min · TagsList of tags for the post  leetcode ·  string ·  Last updated: Aug 2, 2025

Single-Row Keyboard

November 27, 2024 · 3 min · TagsList of tags for the post  hash-table ·  leetcode ·  string ·  Last updated: Aug 2, 2025

String Transforms Into Another String

November 27, 2024 · 4 min · TagsList of tags for the post  hash-table ·  leetcode ·  string ·  Last updated: Aug 2, 2025

Find K-Length Substrings With No Repeated Characters

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