题解 | #坐标移动#

#include <iostream>
using namespace std;

int main() {
    int x = 0, y = 0;
    int move;
    string str;
    cin >> str;
    for(int i = 0, j = 0; i < str.length(); i ++){
        if(str[i] == ';'){
            if(i - j == 3){
                if((str[j] == 'A' || str[j] == 'D' ||str[j] == 'W' ||str[j] == 'S')&&str[j+1] >= 48&&str[j+1] <= 58 && str[j+2] >= 48 && str[j+2]<=58){
                    if(str[j] == 'W'){
                        move = 10*(str[j+1]-48) + str[j+2]-48;
                        y+=move;
                    }
                    if(str[j] == 'S'){
                        move = 10*(str[j+1]-48) + str[j+2]-48;
                        y-=move;
                    }
                    if(str[j] == 'A'){
                        move = 10*(str[j+1]-48) + str[j+2]-48;
                        x-=move;
                    }
                    if(str[j] == 'D'){
                        move = 10*(str[j+1]-48) + str[j+2]-48;
                        x+=move;
                    }
                }
            }
            if(i - j == 2){
                if((str[j] == 'A' || str[j] == 'D' ||str[j] == 'W' ||str[j] == 'S')&&str[j+1] >= 48&&str[j+1] <= 58){
                    if(str[j] == 'W'){
                        move = str[j+1]-48;
                        y+=move;
                    }
                    if(str[j] == 'S'){
                        move = str[j+1]-48;
                        y-=move;
                    }
                    if(str[j] == 'A'){
                        move = str[j+1]-48;
                        x-=move;
                    }
                    if(str[j] == 'D'){
                        move = str[j+1]-48;
                        x+=move;
                    }
                }
            }
            j = i + 1;
        }
    }
    cout << x << "," << y;
    return 0;
}
// 64 位输出请用 printf("%lld")