Tag: a-design

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

• LeetCode 981 Time Based Key-Value Store

  27 May, 2026

  Solutions for LeetCode 981, medium, tags: hash table, string, binary search, design.

• LeetCode 295 Find Median from Data Stream

  8 May, 2026

  Solutions for LeetCode 295, hard, tags: two pointers, design, sorting, heap, data stream.

• LeetCode 895 Maximum Frequency Stack

  1 May, 2026

  Solutions for LeetCode 895, hard, tags: hash table, stack, design, ordered set.

• LeetCode 155 Min Stack

  16 Apr, 2026

  Solutions for LeetCode 155, medium, tags: stack, design.

• LeetCode 631 Design Excel Sum Formula

  4 Apr, 2026

  Solutions for LeetCode 631, hard, tags: design, graph, depth-first search, topological sort.

• LeetCode 1804 LintCode 3729 Implement Trie II

  Updated: 1 May, 2025

  Solutions for LeetCode 1804 LintCode 3729, medium, tags: design, trie, hash, string.