题解 | 交换变量值

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();

        //write your code here.......
        
        a=a+b;
        b=a-b;
        a=a-b;
        

        System.out.println(a+" "+b);
    }
}