题解 | #坐标移动#

import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader;  public class Main { public static void main(String[] args) throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));  String[] str = reader.readLine().split(";");  int x = 0, y = 0;  boolean flag = true;  for (String s : str) { if (s == null || s.length() > 3) continue;  for (int i = 1; i <= s.length() - 1; i++) { int temp = (int) s.charAt(i) - 48;  if (temp < 0 || temp > 9) {
                    flag = false;  break;  }
                flag = true;  } if (flag) { switch (s.charAt(0)) { case 'A':
                        x -= Integer.parseInt(s.substring(1));  break;  case 'D':
                        x += Integer.parseInt(s.substring(1));  break;  case 'W':
                        y += Integer.parseInt(s.substring(1));  break;  case 'S':
                        y -= Integer.parseInt(s.substring(1));  default: continue;  }
            }
        }
        System.out.println(x+","+y);  }
}