Algorithm [leetcode]657. Robot Return to Origin https://leetcode.com/problems/robot-return-to-origin/ 1)problem There is a robot starting at position (0, 0), the origin, on a 2D plane. Given a sequence of its moves, judge if this robot ends up at (0,…

problem 657. Robot Return to Origin 题意: solution1: class Solution { public: bool judgeCircle(string moves) { , cnt2 = ; for(auto move:moves) { if(move == 'L') cnt1++; else if(move=='R') cnt1--; else if(move=='U') cnt2++; else if(move=='D') cnt2--; }…

977. Squares of a Sorted Array (Easy)# Given an array of integers A sorted in non-decreasing order, return an array of the squares of each number, also in sorted non-decreasing order. Example 1: Input: [-4,-1,0,3,10] Output: [0,1,9,16,100] Example 2:…

There is a robot starting at position (0, 0), the origin, on a 2D plane. Given a sequence of its moves, judge if this robot ends up at (0, 0) after it completes its moves. The move sequence is represented by a string, and the character moves[i] repre…

There is a robot starting at position (0, 0), the origin, on a 2D plane. Given a sequence of its moves, judge if this robot ends up at (0, 0)after it completes its moves. The move sequence is represented by a string, and the character moves[i] repres…

There is a robot starting at position (0, 0), the origin, on a 2D plane. Given a sequence of its moves, judge if this robot ends up at (0, 0) after it completes its moves. The move sequence is represented by a string, and the character moves[i] repre…

Description There is a robot starting at position (0, 0), the origin, on a 2D plane. Given a sequence of its moves, judge if this robot ends up at (0, 0) after it completes its moves. The move sequence is represented by a string, and the character mo…

题目要求 There is a robot starting at position (0, 0), the origin, on a 2D plane. Given a sequence of its moves, judge if this robot ends up at (0, 0) after it completes its moves. The move sequence is represented by a string, and the character moves[i]…

题目: There is a robot starting at position (0, 0), the origin, on a 2D plane. Given a sequence of its moves, judge if this robot ends up at (0, 0) after it completes its moves. The move sequence is represented by a string, and the character moves[i] r…

问题 该文章的最新版本已迁移至个人博客[比特飞],单击链接 https://www.byteflying.com/archives/3959 访问. 在二维平面上,有一个机器人从原点 (0, 0) 开始.给出它的移动顺序,判断这个机器人在完成移动后是否在 (0, 0) 处结束. 移动顺序由字符串表示.字符 move[i] 表示其第 i 次移动.机器人的有效动作有 R(右),L(左),U(上)和 D(下).如果机器人在完成所有动作后返回原点,则返回 true.否则,返回 false. 注意:机器人…