SWAPPING OF NUMBERS USING POINTERS IN C++

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

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Program Listing

#include <iostream>

#include <string>

 using namespace std;

 int swap_value(int *a, int *b, int temp)

 {

  temp = *a;

  *a = *b;

  *b = temp;

 }

 main() {

     int a=0,b=0,temp=0;

      char reply = 'Y';

 for (; toupper(reply)== 'Y'; ) {

 cout << "\n\n";

 cout << "\t\t SWAPPING OF NUMBERS USING POINTERS IN C++";

 cout << "\n\n\t Created By: Mr. Jake R. Pomperada,MAED-IT";

 cout << "\n\n";

 cout << "Enter the first value  :=> ";

 cin >> a;

 cout << "Enter the second value :=> ";

 cin >> b;

 cout << "\nOrignal value of a : " << a <<".";

 cout << "\nOrignal value of b : " << b <<".";

 cout << "\n\n";

 swap_value(&a,&b,temp);

 cout << "After calling the function Reference/Pointer";

 cout << "\n\n";

 cout << "\nNew value of a : " << a <<".";

 cout << "\nNew value of b : " << b <<".";

 cout << "\n\n";

 cout << "Do You Want To Continue Y/N :=> ";

 cin >> reply;

 }

 if (toupper(reply) == 'N') {

     cout << "\nThank You For Using This Program.";

  }

 cout << "\n\n";

 system("PAUSE");

 }