Topic
General problems
51 problems: 13 easy, 27 medium, 11 hard.
Easy (13)
Medium (27)
- Valid Sudoku
- Pow(x, n)
- Cheapest Flights Within K Stops
- Gas Station
- Koko Eating Bananas
- LRU Cache Implementation
- Design File System
- Design Underground System
- My Calendar I
- My Calendar II
- Compare Version Numbers
- Online Election
- Car Pooling
- Last Moment Before All Ants Fall Out
- Satisfiability of Equality Equations
- K-th Symbol in Grammar
- Keys and Rooms
- Escape The Ghosts
- Maximum Length of Pair Chain
- Mirror Reflection
- Count Battleships
- Sequence Reconstruction
- Bulb Switcher
- Flower Planting With No Adjacent
- Soup Servings
- Knight Probability in Chessboard
- Champagne Tower