3829. 设计拼车系统
Medium | Hash Table, Design, Queue, Data Stream
Design
3885. 设计事件管理器
Medium | Array, Hash Table, Design, Heap (Priority Queue), Ordered Set
2642. 设计图的最短路径计算器
Hard | Graph Theory, Design, Heap (Priority Queue), Shortest Path
2671. 频率跟踪器
Medium | Hash Table, Design
2013. 检测正方形
Medium | Array, Hash Table, Design, Counting, Data Stream
2034. 股票价格波动
Medium | Hash Table, Design, Heap (Priority Queue), Data Stream, Ordered Set
2043. 简单银行系统
Medium | Array, Hash Table, Design, Simulation
2069. 行走机器人模拟 II
Medium | Design, Simulation
2080. 区间频率查询
Medium | Array, Hash Table, Binary Search, Design, Segment Tree
2102. 序列序数排名跟踪器
Hard | Design, Heap (Priority Queue), Data Stream, Ordered Set