Tag: a-design

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

• 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 208 Implement Trie (Prefix Tree)

  25 Aug, 2026

  Solutions for LeetCode 208, medium, tags: hash table, string, design, trie, companies: pinterest.

• LeetCode 355 Design Twitter

  16 Aug, 2026

  Solutions for LeetCode 355, medium, tags: hash table, linked list, design, heap.

• LeetCode 901 Online Stock Span

  23 Jul, 2026

  Solutions for LeetCode 901, medium, tags: stack, design, monotonic stack, data stream.

• LeetCode 380 Insert Delete GetRandom O(1)

  12 Jun, 2026

  Solutions for LeetCode 380, medium, tags: array, hash table, math, design, randomized.

• LeetCode 981 Time Based Key-Value Store

  27 May, 2026

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