2286. 分组预订音乐会门票
Hard | Binary Search, Design, Binary Indexed Tree, Segment Tree
Binary Indexed Tree
3515. 带权树中的最短路径
Hard | Array, Tree, Depth-First Search, Binary Indexed Tree, Segment Tree
1505. 最多K次相邻交换后的最小整数
Hard | String, Greedy, Binary Indexed Tree, Segment Tree
406. 根据身高重建队列
Medium | Array, Binary Indexed Tree, Segment Tree, Sorting
3245. 交替组 III
Hard | Array, Binary Indexed Tree, Ordered Set
3380. 最大矩形面积与点约束 I
Medium | Array, Math, Binary Indexed Tree, Segment Tree, Geometry, Sorting, Enumeration
3382. 具有点约束的最大面积矩形 II
Hard | Array, Math, Binary Indexed Tree, Segment Tree, Geometry, Sorting
3624. 具有相等popcount深度K的整数数量 II
Hard | Array, Divide and Conquer, Binary Indexed Tree, Segment Tree
3671. 美丽子序列的和
Hard | Array, Math, Binary Indexed Tree, Number Theory
3072. 将元素分配到两个数组中 II
Hard | Array, Binary Indexed Tree, Segment Tree, Simulation