Tag: a-string

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

• LeetCode 2053 Kth Distinct String in an Array

  14 Oct, 2026

  Solutions for LeetCode 2053, easy, tags: array, hash table, string.

• LeetCode 1202 Smallest String With Swaps

  27 Sep, 2026

  Solutions for LeetCode 1202, medium, tags: array, hash table, string, depth-first search, breadth-first search, union find, sorting.

• LeetCode 451 Sort Characters By Frequency

  20 Sep, 2026

  Solutions for LeetCode 451, medium, tags: hash table, string, sorting, heap, bucket sort.

• LeetCode 211 Design Add and Search Words Data Structure

  15 Sep, 2026

  Solutions for LeetCode 211, medium, tags: string, depth-first search, design, trie.

• LeetCode 224 Basic Calculator

  13 Sep, 2026

  Solutions for LeetCode 224, hard, tags: math, string, stack, recursion.

• LeetCode 32 Longest Valid Parentheses

  12 Sep, 2026

  Solutions for LeetCode 32, hard, tags: string, stack, dynamic programming.