Tag: a-hash

All the articles with the tag "a-hash".

• LeetCode 560 Subarray Sum Equals K

  15 Apr, 2026

  Solutions for LeetCode 560, medium, tags: array, hash table, prefix sum.

• LeetCode 76 Minimum Window Substring

  14 Apr, 2026

  Solutions for LeetCode 76, hard, tags: hash table, string, sliding window.

• LeetCode 3 Longest Substring Without Repeating Characters

  9 Apr, 2026

  Solutions for LeetCode 3, medium, tags: hash table, string, sliding window.

• LeetCode 1980 Find Unique Binary String

  16 Mar, 2026

  Solutions for LeetCode 1980, medium, tags: array, hash table, string.

• LeetCode 2539 LintCode 3855 Count the Number of Good Subsequences

  21 Mar, 2025

  Solutions for LeetCode 2539 LintCode 3855, hard, tags: enumerate, string, hash table, math, combinatorics, counting.

• LeetCode 1166 LintCode 3677 Design File System

  28 Jan, 2025

  Solutions for LeetCode 1166 LintCode 3677, medium, tags: hash table, trie, string, design.