/* 程序5.6：函數的傳值調用.cpp: */
#include<iostream>
using namespace std;

void Swap(int iNum1,int iNum2);	//聲明Swap()函數原型

int main()		//主函數開始
{
	int iNum1,iNum2;
	cout << "請輸入第一個整數：\t";
	cin>>iNum1;
	cout << "請輸入第二個整數：\t";
	cin>>iNum2;
	cout << "\n在main()函數內,Swap()調用之前:"<<endl;
	cout << "  iNum1="<<iNum1<<"\tiNum2="<<iNum2<<endl;

	Swap(iNum1,iNum2);	//以變量iNum1和iNum2為實參調用Swap()

	cout << "\n在main()函數內,Swap()調用之后:"<<endl;
	cout << "  iNum1="<<iNum1<<"\tiNum2="<<iNum2<<endl;
	return 0;
}				//主函數結束
void Swap(int iNum1,int iNum2)	//定義Swap()函數
{
	int iTemp;
	iTemp=iNum1;
	iNum1=iNum2;
	iNum2=iTemp;
	cout << "\n在Swap()函數內,數據交換之后:"<<endl;
	cout << "  iNum1="<<iNum1<<"\tiNum2="<<iNum2<<endl;
}