780-到达终点(Reaching Points) 原文链接: https://leetcode-cn.com/problems/reaching-points 英文原文Given four integers sx, sy, tx, and ty, return true if it i 2021-12-03 数学 困难
782-变为棋盘(Transform to Chessboard) 原文链接: https://leetcode-cn.com/problems/transform-to-chessboard 英文原文You are given an n x n binary grid board. In each m 2021-12-03 位运算数学数组矩阵 困难
783-二叉搜索树节点最小距离(Minimum Distance Between BST Nodes) 原文链接: https://leetcode-cn.com/problems/minimum-distance-between-bst-nodes 英文原文Given the root of a Binary Search Tree ( 2021-12-03 二叉搜索树二叉树广度优先搜索树深度优先搜索 简单
784-字母大小写全排列(Letter Case Permutation) 原文链接: https://leetcode-cn.com/problems/letter-case-permutation 英文原文Given a string s, we can transform every letter ind 2021-12-03 位运算回溯字符串 中等
785-判断二分图(Is Graph Bipartite?) 原文链接: https://leetcode-cn.com/problems/is-graph-bipartite 英文原文There is an undirected graph with n nodes, where each no 2021-12-03 图并查集广度优先搜索深度优先搜索 中等
786-第 K 个最小的素数分数(K-th Smallest Prime Fraction) 原文链接: https://leetcode-cn.com/problems/k-th-smallest-prime-fraction 英文原文You are given a sorted integer array arr conta 2021-12-03 二分查找堆(优先队列)数组 困难
787-K 站中转内最便宜的航班(Cheapest Flights Within K Stops) 原文链接: https://leetcode-cn.com/problems/cheapest-flights-within-k-stops 英文原文There are n cities connected by some number 2021-12-03 动态规划图堆(优先队列)广度优先搜索最短路深度优先搜索 中等
788-旋转数字(Rotated Digits) 原文链接: https://leetcode-cn.com/problems/rotated-digits 英文原文An integer x is a good if after rotating each digit individu 2021-12-03 动态规划数学 中等
789-逃脱阻碍者(Escape The Ghosts) 原文链接: https://leetcode-cn.com/problems/escape-the-ghosts 英文原文You are playing a simplified PAC-MAN game on an infinite 2021-12-03 数学数组 中等
790-多米诺和托米诺平铺(Domino and Tromino Tiling) 原文链接: https://leetcode-cn.com/problems/domino-and-tromino-tiling 英文原文You have two types of tiles: a 2 x 1 domino shape 2021-12-03 动态规划 中等