给定两个整形变量的值,将两个值的内容进行交换
不用调用方法
已运行出来
#include <stdio.h>
#include <windows.h>
int main(){
int m;
int n;
int temp;
printf("Please enter two number:");
scanf_s("%d%d",&m,&n);
temp = m;
m = n;
n = temp;
printf("after change m=%d, n=%d",m,n);
}