Swap Two Numbers Using Functions in C++

 A simple program to ask the user to give two numbers and then the program will display the original arrangement and swap arrangement of the two numbers using functions in the C++ programming language.

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Program Listing

// swap.cpp

// Mr. Jake R. Pomperada, MAED-IT, MIT

// www.jakerpomperada.com

// jakerpomperada@gmail.com

// Bacolod City, Negros Occidental Philippines

#include <iostream>

#include <stdlib.h>

using namespace std;

void GetVal(int& Get1,int& Get2);

void SwapVal(int& Swap1,int& Swap2);

void ShowVal(int& Show1,int& Show2);

int main()

{

    int FirstNum,SecondNum;

    GetVal(FirstNum,SecondNum);

    SwapVal(FirstNum,SecondNum);

    ShowVal(FirstNum,SecondNum);

    system("PAUSE");

    return 0;

}

void GetVal(int& Get1,int& Get2)

{

     cout << "\n\n";

cout << "\tSwap Two Numbers Using Functions in C++";

     cout << "\n\n";

cout << "\tGive Two Values: ";

     cin >> Get1 >> Get2;

     cout << "\n\n";

     cout << "\tOriginal Arrangement\n\n";

     cout <<"\t" << Get1 << "  " << Get2 << "\n";

     cout << "\n\n";

     cout << "\tSwap Arrangement\n\n";

     cout << "\n\n";

}

void SwapVal(int& Swap1,int& Swap2)

{

     int temp;

     temp = Swap1;

     Swap1 = Swap2;

     Swap2 = temp;

}

void ShowVal(int& Show1,int& Show2)

{

     cout <<"\t" << Show1 << "  " << Show2 << "\n";

     cout << "\n\n";

     cout << "\tEnd of Program";

     cout << "\n\n";

}