2940. 找到爱丽丝和鲍勃可以相遇的建筑
Hard | Array, Binary Search, Stack, Binary Indexed Tree, Segment Tree, Heap (Priority Queue), Monotonic Stack
Segment Tree
2080. 区间频率查询
Medium | Array, Hash Table, Binary Search, Design, Segment Tree
2179. 统计数组中的好三元组
Hard | Array, Binary Search, Divide and Conquer, Binary Indexed Tree, Segment Tree, Merge Sort, Ordered Set
2213. 单一重复字符的最长子串
Hard | Array, String, Segment Tree, Ordered Set
2276. 区间内整数统计
Hard | Design, Segment Tree, Ordered Set
2407. 最长递增子序列 II
Hard | Array, Divide and Conquer, Dynamic Programming, Binary Indexed Tree, Segment Tree, Queue, Monotonic Queue
2424. 最长上传前缀
Medium | Hash Table, Binary Search, Union-Find, Design, Binary Indexed Tree, Segment Tree, Heap (Priority Queue), Ordered Set
2426. 满足不等式的数对数目
Hard | Array, Binary Search, Divide and Conquer, Binary Indexed Tree, Segment Tree, Merge Sort, Ordered Set
2569. 更新后处理求和查询
Hard | Array, Segment Tree
1395. 统计作战单位数
Medium | Array, Dynamic Programming, Binary Indexed Tree, Segment Tree