1529-灯泡开关 IV(Bulb Switcher IV) 原文链接: https://leetcode-cn.com/problems/bulb-switcher-iv 英文原文There is a room with n bulbs, numbered from 0 to n - 1, ar 2021-12-03 字符串贪心 中等
1530-好叶子节点对的数量(Number of Good Leaf Nodes Pairs) 原文链接: https://leetcode-cn.com/problems/number-of-good-leaf-nodes-pairs 英文原文Given the root of a binary tree and an inte 2021-12-03 二叉树树深度优先搜索 中等
1535-找出数组游戏的赢家(Find the Winner of an Array Game) 原文链接: https://leetcode-cn.com/problems/find-the-winner-of-an-array-game 英文原文Given an integer array arr of distinct int 2021-12-03 数组模拟 中等
1536-排布二进制网格的最少交换次数(Minimum Swaps to Arrange a Binary Grid) 原文链接: https://leetcode-cn.com/problems/minimum-swaps-to-arrange-a-binary-grid 英文原文Given an n x n binary grid, in one s 2021-12-03 数组矩阵贪心 中等
1537-最大得分(Get the Maximum Score) 原文链接: https://leetcode-cn.com/problems/get-the-maximum-score 英文原文You are given two sorted arrays of distinct integers 2021-12-03 动态规划双指针数组贪心 困难
1556-千位分隔数(Thousand Separator) 原文链接: https://leetcode-cn.com/problems/thousand-separator 英文原文Given an integer n, add a dot (".") as the tho 2021-12-03 字符串 简单
1557-可以到达所有点的最少点数目(Minimum Number of Vertices to Reach All Nodes) 原文链接: https://leetcode-cn.com/problems/minimum-number-of-vertices-to-reach-all-nodes 英文原文Given a directed acyclic 2021-12-03 图 中等
1559-二维网格图中探测环(Detect Cycles in 2D Grid) 原文链接: https://leetcode-cn.com/problems/detect-cycles-in-2d-grid 英文原文Given a 2D array of characters grid of size m x n, 2021-12-03 并查集广度优先搜索数组深度优先搜索矩阵 中等
1558-得到目标数组的最少函数调用次数(Minimum Numbers of Function Calls to Make Target Array) 原文链接: https://leetcode-cn.com/problems/minimum-numbers-of-function-calls-to-make-target-array 英文原文 Your task is to fo 2021-12-03 数组贪心 中等
1544-整理字符串(Make The String Great) 原文链接: https://leetcode-cn.com/problems/make-the-string-great 英文原文Given a string s of lower and upper case English lett 2021-12-03 字符串栈 简单