3588. 找到三角形的最大面积
Medium | Array, Hash Table, Math, Greedy, Geometry, Enumeration
Hash Table
3591. 检查是否有元素的频率为质数
Easy | Array, Hash Table, Math, Counting, Number Theory
3597. 分割字符串
Medium | Hash Table, String, Trie, Simulation
3606. 优惠券代码验证器
Easy | Array, Hash Table, String, Sorting
3607. 电网维护
Medium | Array, Hash Table, Depth-First Search, Breadth-First Search, Union-Find, Graph Theory, Heap (Priority Queue), Ordered Set
3623. 计算梯形数量 I
Medium | Array, Hash Table, Math, Geometry
3625. 计算梯形数量 II
Hard | Array, Hash Table, Math, Geometry
3629. 通过质数传送达到末尾的最小跳跃次数
Medium | Array, Hash Table, Math, Breadth-First Search, Number Theory
3636. 阈值多数查询
Hard | Array, Hash Table, Binary Search, Divide and Conquer, Counting, Prefix Sum
3654. 可整除子数组删除后的最小和
Medium | Array, Hash Table, Dynamic Programming, Prefix Sum