作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 模拟 日期 题目地址:https://leetcode.com/problems/walking-robot-simulation/description/ 题目描述 A robot on an infinite grid starts at point (0, 0) and faces north. The robot can receive on…

874. Walking Robot Simulation https://www.cnblogs.com/grandyang/p/10800993.html 每走一步(不是没走commands里的一个数字)计算到原点的距离,每走一步都可能遇到障碍物,需要将障碍物的坐标进行存储,以判断是否停止行走. 左转90度,右转90度转换成在x.y的坐标变换上来.左转前进一个index,右转前进一个index,对4取余确保不越界 不知道为什么用unordered_set就编译出错. class Soluti…

A robot on an infinite grid starts at point (0, 0) and faces north.  The robot can receive one of three possible types of commands: -2: turn left 90 degrees -1: turn right 90 degrees 1 <= x <= 9: move forward x units Some of the grid squares are obs…

problem 874. Walking Robot Simulation solution1: 思路:1)如何表示移动的方向以及移动的位置坐标; 2)障碍物坐标如何检查;3)求解的是最大距离; class Solution { public: int robotSim(vector<int>& commands, vector<vector<int>>& obstacles) { unordered_set<string> obs; ])…

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 题目地址:https://leetcode.com/problems/unique-paths/description/ 题目描述: A robot is located at the top-left corner of a m x n grid (marked 'Start' in the diagram below). The robot can only move either…

A robot on an infinite grid starts at point (0, 0) and faces north.  The robot can receive one of three possible types of commands: -2: turn left 90 degrees -1: turn right 90 degrees 1 <= x <= 9: move forward x units Some of the grid squares are obs…

[LeetCode]376. Wiggle Subsequence 解题报告(Python) 作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 题目地址: https://leetcode.com/problems/wiggle-subsequence/description/ 题目描述: A sequence of numbers is called a wiggle sequence if the differences betw…

[LeetCode]649. Dota2 Senate 解题报告(Python) 作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 题目地址:https://leetcode.com/problems/dota2-senate/description/ 题目描述: In the world of Dota2, there are two parties: the Radiant and the Dire. The Dota2 sena…

[LeetCode]911. Online Election 解题报告(Python) 作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 题目地址:https://leetcode.com/problems/online-election/description/ 题目描述: In an election, the i-th vote was cast for persons[i] at time times[i]. Now, we…

[LeetCode]886. Possible Bipartition 解题报告(Python) 作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 题目地址:https://leetcode.com/problems/possible-bipartition/description/ 题目描述: Given a set of N people (numbered 1, 2, ..., N), we would like to spli…