题解 | #坐标移动#

#include <iostream>
using namespace std;

int main() {
    int x = 0 , y = 0 , step = 0 ,dis = 0;
    char a;
    while(a != '\n'){
        a = getchar();
        if(a == '\n'){
            break;
        }else if(a == ';'){
            if(step == 11) y += dis;
            else if (step == 12) y -= dis;
            else if (step == 13) x -= dis;
            else if (step == 14) x += dis;
            dis = 0;
            step = 0;
        }else if(step == 0){
            if(a == 'W') step = 11;
            else if(a == 'S') step = 12;
            else if(a == 'A') step = 13;
            else if(a == 'D') step = 14;
            else step = -1;
        }else if(step > 10){
            if(a >= '0' && a <= '9'){
                dis = dis * 10 + a -'0';
            }else{
                step = -1;
            }
        }
    }
    cout<<x<<","<<y;
}