题解 | #坐标移动#
坐标移动
http://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);
String[] str = in.next().split(";");
int x = 0;
int y = 0;
int length = str.length;
for(int i = 0; i < length; i++){
if(str[i].length() >= 2 && str[i].length() <= 3 && (str[i].charAt(0) == 'A' || str[i].charAt(0) == 'W' || str[i].charAt(0) == 'S' || str[i].charAt(0) == 'D') && str[i].charAt(1) >= '0' && str[i].charAt(1) <= '9'){
if(str[i].length() == 3 && str[i].charAt(2) >= '0' && str[i].charAt(2) <= '9'){
int num = (str[i].charAt(1)-'0')*10 + (str[i].charAt(2)-'0');
if(str[i].charAt(0) == 'A'){
x-=num;
}else if(str[i].charAt(0) == 'S'){
y-=num;
}else if(str[i].charAt(0) == 'D'){
x+=num;
}else if(str[i].charAt(0) == 'W'){
y+=num;
}
}else if(str[i].length() == 2){
int num1 = str[i].charAt(1) - '0';
if(str[i].charAt(0) == 'A'){
x-=num1;
}else if(str[i].charAt(0) == 'S'){
y-=num1;
}else if(str[i].charAt(0) == 'D'){
x+=num1;
}else if(str[i].charAt(0) == 'W'){
y+=num1;
}
}
}
}
System.out.print(x + "," + y);
}
}
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