sl211.cpp

来自「Visual C++ 的学习资料一」· C++ 代码 · 共 25 行

// sl211.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include "iostream.h"

int main()
{
	void change(int &a,int &b);
	int x=1,y=2;
	cout<<"x="<<x<<"\n";
	cout<<"y="<<y<<"\n";
	change(x,y);
	cout<<"x="<<x<<"\n";
	cout<<"y="<<y<<"\n";
}

void change(int &a,int &b)
{
	int t;
	t = a;
	a = b;
	b = t;
}