LeetCode657.机器人能否返回原点

class Solution {
public:bool judgeCircle(string moves) {int res=0;for(int i=0;i<moves.size();i++){switch(moves[i]){case 'U':res=res-2;break;case 'D':res=res+2;break;case 'L':res=res-1;break;case 'R':res=res+1;break;    }}if(res==0) return true;else return false;}
};

LeetCode657.机器人能否返回原点

class Solution {
public:bool judgeCircle(string moves) {int res=0;for(int i=0;i<moves.size();i++){switch(moves[i]){case 'U':res=res-2;break;case 'D':res=res+2;break;case 'L':res=res-1;break;case 'R':res=res+1;break;    }}if(res==0) return true;else return false;}
};