3505. 使 K 个子数组内元素相等的最少操作次数
Hard | Array, Hash Table, Math, Dynamic Programming, Sliding Window, Heap (Priority Queue)
Hash Table
3507. 最小配对移除操作使数组有序 I
Easy | Array, Hash Table, Linked List, Heap (Priority Queue), Simulation, Doubly-Linked List, Ordered Set
3508. 实现路由器
Medium | Array, Hash Table, Binary Search, Design, Queue, Ordered Set
3509. 求交替和等于 K 的子序列的最大乘积
Hard | Array, Hash Table, Dynamic Programming
3510. 最小配对移除使数组有序 II
Hard | Array, Hash Table, Linked List, Heap (Priority Queue), Simulation, Doubly-Linked List, Ordered Set
3518. 最小回文重排 II
Hard | Hash Table, Math, String, Combinatorics, Counting
3522. 执行指令后计算分数
Medium | Array, Hash Table, String, Simulation
3527. 寻找最常见的回复
Medium | Array, Hash Table, String, Counting
3531. 统计被覆盖的建筑物数量
Medium | Array, Hash Table, Sorting
3532. 图中路径存在性查询 I
Medium | Array, Hash Table, Binary Search, Union-Find, Graph Theory