1981. 最小化目标值与所选元素和的差值
Medium | Array, Dynamic Programming, Matrix
Medium
1985. 找到数组中第 K 大的整数
Medium | Array, String, Divide and Conquer, Sorting, Heap (Priority Queue), Quickselect
1986. 完成所有任务的最少工作时间段
Medium | Array, Dynamic Programming, Backtracking, Bit Manipulation, Bitmask
1993. 树上的操作
Medium | Array, Hash Table, Tree, Depth-First Search, Breadth-First Search, Design
1996. 游戏中弱角色的数量
Medium | Array, Stack, Greedy, Sorting, Monotonic Stack
1997. 第一天访问所有房间的日期
Medium | Array, Dynamic Programming
1004. 最大连续1的个数 III
Medium | Array, Binary Search, Sliding Window, Prefix Sum
1006. 笨阶乘
Medium | Math, Stack, Simulation
1007. 行中相等值的最少多米诺旋转
Medium | Array, Greedy
1008. 先序遍历构造二叉搜索树
Medium | Array, Stack, Tree, Binary Search Tree, Monotonic Stack, Binary Tree