题解 | #坐标移动#
坐标移动
https://www.nowcoder.com/practice/119bcca3befb405fbe58abe9c532eb29
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 in = new Scanner(System.in); // 注意 hasNext 和 hasNextLine 的区别 int x = 0; int y = 0; String command = in.nextLine(); String[] comds = command.split(";"); for(String comd : comds){ if(comd.length()==1){ continue; } if(comd == null || "".equals(comd)){ continue; } char direction = comd.charAt(0); boolean flag = true; for( int i=1;i<comd.length();i++){ if('0' > comd.charAt(i) || comd.charAt(i) > '9'){ flag = false; } } if(!flag){ continue; } switch(direction) { case 'A' : x-= Integer.valueOf(comd.substring(1)); break; case 'D' : x+= Integer.valueOf(comd.substring(1)); break; case 'W' : y+= Integer.valueOf(comd.substring(1)); break; case 'S' : y-= Integer.valueOf(comd.substring(1)); } } System.out.println(x+","+y); } }