import java.util.Scanner; public class Main { public static void main(String[] args) { //输入 Scanner sc= new Scanner(System.in); char input[]=sc.nextLine().toCharArray(); int x=0,y=0;//坐标 //指针i依次扫描char,识别到关键字wsad时,指针j向前查看是否为合法数字,是,执行坐标变换,否,i继续向前扫描 for (int i = 0; i < input.length;i++) { ...