1776. 车队 II
Hard | Array, Math, Stack, Heap (Priority Queue), Monotonic Stack
Monotonic Stack
1504. 统计全为1的子矩形
Medium | Array, Dynamic Programming, Stack, Matrix, Monotonic Stack
3229. 使数组等于目标数组所需的最少操作数
Hard | Array, Dynamic Programming, Stack, Greedy, Monotonic Stack
3420. 经过 K 次操作后非递减子数组的数量
Hard | Array, Stack, Segment Tree, Queue, Sliding Window, Monotonic Stack, Monotonic Queue
3430. 最多 K 个元素的子数组的最大值和最小值之和
Hard | Array, Math, Stack, Monotonic Stack
3523. 使数组非递减
Medium | Array, Stack, Greedy, Monotonic Stack
3542. 将所有元素转换为零的最少操作次数
Medium | Array, Hash Table, Stack, Greedy, Monotonic Stack
3638. 最大平衡货运数量
Medium | Array, Dynamic Programming, Stack, Greedy, Monotonic Stack
3676. 碗形子数组计数
Medium | Array, Stack, Monotonic Stack
3816. 删除重复字符后的字典序最小字符串
Hard | Hash Table, String, Stack, Greedy, Monotonic Stack