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 in = new Scanner(System.in);
        while (in.hasNextLine()) {
            String ll = in.nextLine();
            String[] lines = ll.split(";");
            int x = 0;
            int y = 0;
            for (String line : lines) {
                if (line.matches("[ASWD][0-9]{1,2}")) {
                    char oriention = line.charAt(0);
                    int value = Integer.parseInt(line.substring(1));
                    switch (oriention) {
                        case 'A':
                            x -= value;
                            break;
                        case 'W':
                            y += value;
                            break;
                        case 'S':
                            y -= value;
                            break;
                        case 'D':
                            x += value;
                            break;
                    }
                }
            }
            System.out.println(x + "," + y);
        }
    }
}