题解 | #坐标移动#

import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String content = scanner.nextLine();

        int[][] res = {{0, 0}};
        String[] contents = content.split(";");
        for (String c : contents) {
            if (c.startsWith("A") && c.length() != 1) {
                c = c.substring(1);
                if (isNum(c)) {
                    res[0][0] -= Integer.parseInt(c);
                }
            }
            if (c.startsWith("D") && c.length() != 1) {
                c = c.substring(1);
                if (isNum(c)) {
                    res[0][0] += Integer.parseInt(c);
                }
            }
            if (c.startsWith("W") && c.length() != 1) {
                c = c.substring(1);
                if (isNum(c)) {
                    res[0][1] += Integer.parseInt(c);
                }
            }
            if (c.startsWith("S") && c.length() != 1) {
                c = c.substring(1);
                if (isNum(c)) {
                    res[0][1] -= Integer.parseInt(c);
                }
            }
        }
        System.out.println(res[0][0] + "," + res[0][1]);
    }
    public static boolean isNum(String s) {
        try {
            Integer.parseInt(s);
            return true;
        } catch (NumberFormatException e) {
            return false;
        }
    }
}