交换两个变量（不创建临时变量）(新手篇11)

//交换两个变量（不创建临时变量）
#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
//加减
void Changer(int x, int y){
x = x + y;
y = x - y;
x = x - y;
printf(“x:%d\n”, x);
printf(“y:%d\n”, y);
printf("===========\n");
}

//按位异或
void Changer1(int x, int y){
x = x^y;
y = x^y;
x = x^y;
printf(“x:%d\n”, x);
printf(“y:%d\n”, y);
}

int main(){
int x;
int y;
printf(“输入两个数X,Y\n”);
scanf("%d%d", &x,&y);

Changer(x,y);
Changer1(x, y);

}