共有 19 篇文章
2024
705. Design HashSet - Easy
706. Design HashMap - Easy
2013. Detect Squares - Medium
981. Time Based Key-Value Store - Medium
355. Design Twitter - Medium
703. Kth Largest Element in a Stream - Easy
155. Min Stack - Medium
380. Insert Delete GetRandom O(1) - Medium
208. Implement Trie (Prefix Tree) - Medium