C++ Program to Swap Two Numbers


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Example:

Copied
#include<iostream>
using namespace std;
int main()
{
    int numOne, numTwo, temp;
    cout << "Enter the First Number: ";
    cin >> numOne;
    
    cout << "\nEnter the Second Number: ";
    cin >> numTwo;
    
    cout << "\nBefore Swap:";
    cout << "\nFirst Number: " << numOne << "\t Second Number: " << numTwo;
    temp = numOne;
    numOne = numTwo;
    numTwo = temp;
    
    cout << "\nAfter Swap:\n";
    cout << "First Number: " << numOne << "\tSecond Number: " << numTwo;
    
    return 0;
}

Output:

Enter the First Number:
10
Enter the Second Number:
20
Before Swap:
First Number: 10 Second Number: 20
After Swap:
First Number: 20 Second Number: 10