题解 | #坐标移动#

public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int[] arr = {0,0};
        String pattern = "[WASD][0-9]{1,2}";
        while(sc.hasNext()){
            String str = sc.nextLine();
            String[] s = str.split(";");
            for(int i = 0; i < s.length ; i++){
                if(s[i].matches(pattern)){
                    arr = Coord(s[i],arr);
                }
            }
            System.out.println(arr[0]+","+arr[1]);
        }

    }

    static int[] Coord(String coord,int[] array){
        int[] arr = array;
        int x = arr[0];
        int y = arr[1];
        int num = Integer.parseInt(coord.substring(1));
        switch(coord.charAt(0)){
            case 'W':
                y += num;
                break;
            case 'A':
                x -= num;
                break;
            case 'S':
                y -= num;
                break;
            case 'D':
                x += num;
                break;
        }
        arr[0] = x;
        arr[1] = y;
        return arr;
    }
}