题解 | #坐标移动#
坐标移动
https://www.nowcoder.com/practice/119bcca3befb405fbe58abe9c532eb29
import java.util.Scanner;
// 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
String[] s = in.nextLine().toUpperCase().split(";");
int[] result = move(s);
System.out.print(result[0]+","+result[1]);
}
public static int[] move(String[] s){
int x=0,y=0;
for(int i=0;i<s.length;i++){
if(s[i].matches("[ADWS]\\d+")){
switch(s[i].charAt(0)) {
case 'A' :
x -= Integer.parseInt(s[i].substring(1));
continue;
case 'D' :
x += Integer.parseInt(s[i].substring(1));
continue;
case 'W' :
y += Integer.parseInt(s[i].substring(1));
continue;
case 'S' :
y -= Integer.parseInt(s[i].substring(1));
continue;
}
}
}
return new int[]{x,y};
}
}
