12_6.cpp

C语言基本程序

#include <iostream.h>
void f(int &,int &);

void main()
{
int x= 1,y;
int &a = x;
int &b = y;
f(a,b);
cout << "x的值是"<<x<<endl;
cout << "y的值是"<<y<<endl;
}

void f(int &i,int &j)
{
i = i+1;
j = i;
}