题解 | #坐标移动#

#include <iostream>
#include <string>
using namespace std;

int main() {
    int row = 0;
    int col = 0;//分别表示横纵坐标
    string str;
    cin >> str;
    string curStr;
    for(int i = 0; i < str.length(); i++){
        if(str[i] != ';') curStr += str[i];
        else if((curStr.length() == 3 && curStr[1] >= '0' && curStr[1] <= '9' && curStr[2] >= '0' && curStr[2] <= '9') || (curStr.length() == 2 && curStr[1] >= '0' && curStr[1] <= '9')){
            int stepLen = stoi(curStr.substr(1, 2));
            switch (curStr[0]) {
                case 'W' : col += stepLen; break;
                case 'S' : col -= stepLen; break;
                case 'A' : row -= stepLen; break;
                case 'D' : row += stepLen; break;
                default: break;
            }
            curStr.clear();
        }
        else curStr.clear();
    }
    cout << row << "," << col << endl;
    return 0;
}