题解 | #交换变量值#
交换变量值
https://www.nowcoder.com/practice/bd243c9bef70492f91959cc5556546a8
import java.util.Scanner; 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; System.out.println(a + " " + b); } }
可以选择用位运算符来解决