题解 | #坐标移动#java

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().toUpperCase().split(";");
        int j = 0, x = 0, y = 0, num = 0;
        for (int i = 0; i < str.length; i++) {
            if (str[i].length() > 1 && str[i].length() < 4) {
                if (str[i].charAt(0) == 'A' || str[i].charAt(0) == 'S' || str[i].charAt(0) == 'D' || str[i].charAt(0) == 'W') {
                    if (Integer.valueOf(str[i].charAt(1)) > 47 && Integer.valueOf(str[i].charAt(1)) < 58) {
                        if (str[i].length() != 2) {
                            if (Integer.valueOf(str[i].charAt(2)) > 47 && Integer.valueOf(str[i].charAt(2)) < 58) {
                                num = Integer.parseInt(str[i].substring(1));
                                switch (str[i].charAt(0)) {
                                    case 'A':
                                        x = x - num;
                                        break;
                                    case 'D':
                                        x = x + num;
                                        break;
                                    case 'S':
                                        y = y - num;
                                        break;
                                    case 'W':
                                        y = y + num;
                                        break;
                                    default:
                                        break;
                                }
                            }
                        } else {
                            num = Integer.parseInt(str[i].substring(1));
                            switch (str[i].charAt(0)) {
                                case 'A':
                                    x = x - num;
                                    break;
                                case 'D':
                                    x = x + num;
                                    break;
                                case 'S':
                                    y = y - num;
                                    break;
                                case 'W':
                                    y = y + num;
                                    break;
                                default:
                                    break;
                            }
                        }
                    }

                }
            }

        }
        System.out.println(x + "," + y);
    }

}