#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
int fun(int x, int y) {
int tmp = 0;
tmp = x;
x = y;
y = tmp;
printf("%d,%d", x, y);
printf("\n");
return 0;
}
int main() {
printf("请输入两个数字实现交换:\n");
int a = 0; int b = 0;
scanf("%d%d", &a, &b);
fun(a,b);
system("pause");
return 0;
}