题解 | #不用额外变量交换两个整数的值#
不用额外变量交换两个整数的值
http://www.nowcoder.com/practice/1827258942284b2abfe65809785ac91a
import java.util.Scanner;
import java.io.*;
public class Main {
public static void main(String[] args){
Scanner in=new Scanner(System.in);
int a=in.nextInt();
int b=in.nextInt();
// a=a^b;
// b=a^b;
// a=a^b;
a=a+b;
b=a-b;
a=a-b;
System.out.println(a+" "+b);
}
}
