#include "stdio.h"
void Sum();
void main()
{
Sum();
int x=10,y=20;
Sum(x,y);//它提示这里有错误
printf("x的值等于:%d\n y的值等于:%d",x,y);
}
void Sum(int num1,int num2)
{
//交换值
int temp=num1;
num1=num2;
num2=temp;
}
Sum(x,y);//它提示这里有错误
谢谢大家了