Given a robot cleaner in a room modeled as a grid. Each cell in the grid can be empty or blocked. The robot cleaner with 4 given APIs can move forward, turn left or turn right. Each turn it made is 90 degrees. When it tries to move into a blocked cel…

［抄题］: Given a robot cleaner in a room modeled as a grid. Each cell in the grid can be empty or blocked. The robot cleaner with 4 given APIs can move forward, turn left or turn right. Each turn it made is 90 degrees. When it tries to move into a block…

Given a robot cleaner in a room modeled as a grid. Each cell in the grid can be empty or blocked. The robot cleaner with 4 given APIs can move forward, turn left or turn right. Each turn it made is 90 degrees. When it tries to move into a blocked cel…

原题链接在这里:https://leetcode.com/problems/robot-room-cleaner/ 题目: Given a robot cleaner in a room modeled as a grid. Each cell in the grid can be empty or blocked. The robot cleaner with 4 given APIs can move forward, turn left or turn right. Each turn i…

https://leetcode-cn.com/problems/robot-return-to-origin/ 设置 flagUD 记录机器人相对于原点在纵向上的最终位置 flagRL 记录机器人相对于原点在横向上的最终位置 如果最终 flagUD==0 && flagRL==0 ,说明机器人的最终位置与原点相同 class Solution { public boolean judgeCircle(String moves) { int flagRL = 0; int flagUD =…

[BZOJ5318][JSOI2018]扫地机器人(动态规划) 题面 BZOJ 洛谷 题解 神仙题.不会.... 先考虑如果一个点走向了其下方的点,那么其右侧的点因为要被访问到,所以必定只能从其右上方的点走过来.同理,如果这个点向右,那么其下方的点就只能从其左下方的点向右走过来. 因此我们可以确定所有平行于副对角线的斜线上的位置的方向都是相同的. 考虑\(n=m\)的情况,从一个点开始无论向右开始向下,都只会走到下一条对角线上,因此这个过程本质上就是就是固定了一个向下向右的序列,然后循环这个操作…

题意: 有一个房间的形状是多边形,而且每条边都平行于坐标轴,按顺时针给出多边形的顶点坐标 还有一个正方形的扫地机器人,机器人只可以上下左右移动,不可以旋转 问机器人移动的区域能不能覆盖整个房间 分析: 官方题解 #include <cstdio> #include <cmath> #include <algorithm> using std::abs; using std::swap; const int maxn = 1010; struct Point { int…

D. Robot Vacuum Cleaner time limit per test 1 second memory limit per test 256 megabytes Problem Description Pushok the dog has been chasing Imp for a few hours already. Fortunately, Imp knows that Pushok is afraid of a robot vacuum cleaner. While mo…

Pushok the dog has been chasing Imp for a few hours already. Fortunately, Imp knows that Pushok is afraid of a robot vacuum cleaner. While moving, the robot generates a string t consisting of letters 's' and 'h', that produces a lot of noise. We defi…

题目链接:点击打开链接 Pushok the dog has been chasing Imp for a few hours already. Fortunately, Imp knows that Pushok is afraid of a robot vacuum cleaner. While moving, the robot generates a string t consisting of letters 's' and 'h', that produces a lot of no…