Topic
Design problems
37 problems: 8 Easy, 26 Medium, 3 Hard.
Easy (8)
Medium (26)
- Implement Trie (Prefix Tree)
- LRU Cache
- Encode and Decode Strings
- Time Based Key-Value Store
- LRU Cache Implementation
- Design Add and Search Words Data Structure
- Design Twitter
- Design Hit Counter
- Design File System
- Design Browser History
- Design Leaderboard
- Range Sum Query 2D - Immutable
- Range Sum Query - Mutable
- Insert Delete GetRandom O(1)
- Flatten Nested List Iterator
- Design Circular Queue
- Design Underground System
- Random Pick Index
- Online Election
- Exam Room
- RLE Iterator
- Detect Squares
- Min Stack Operations
- Design Tic-Tac-Toe
- Design Linked List
- Range Frequency Queries