题解 | #坐标移动#

import java.util.*;

// 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 s = scanner.nextLine();
        String[] split = s.split(";");
        HashMap<Integer, Integer> hs = new HashMap<>();
        hs.put(0,0);//横向坐标存值
        hs.put(1,0);//纵向坐标存值
        for (int i = 0; i < split.length; i++) {
            String s1 = split[i];
            if(s1.length()>1&&s1.length()<4) {
                char c = s1.charAt(0);
                String sa = String.valueOf(c);

                String sn = s1.substring(1);
                boolean b = sn.chars().allMatch(Character::isDigit);
                int i1=0;
                if (!b) {
                    continue;
                }
                i1 = Integer.parseInt(sn);
                if (i1>=0 && i1<100){
                    switch (sa){
                        case "A":
                            hs.put(0,hs.get(0)-i1);
                            break;
                        case "S":
                            hs.put(1,hs.get(1)-i1);
                            break;
                        case "W":
                            hs.put(1,hs.get(1)+i1);
                            break;
                        case "D":
                            hs.put(0,hs.get(0)+i1);
                            break;
                    }
                }
            }
        }
        
        String success=hs.get(0)+","+hs.get(1);
        System.out.println(success);
    }
}