C++ program to swap values of two variables by passing pointers

C++ program to swap values of two variables by passing pointers

IDE used: - Code::Blocks

Image sample of program: -

techee India

Program: -

#include<iostream>
using namespace std;
int main()
{
    void swap(int*x,int*y);
    int a,b;
    cout<<"\nEnter the value of A ";
    cin>>a;
    cout<<"\nEnter the value of B ";
    cin>>b;
    cout<<"\nOriginal values "<<"A="<<a<<",B="<<b<<"\n";
    swap(&a,&b);
    cout<<"\nSwapped values "<<"A="<<a<<",B="<<b<<"\n";
    return 0;
}
void swap(int*x,int*y)
{
    int temp;
    temp=*x;
    *x=*y;
    *y=temp;
}

Output of the program: -

Here we enter initial value of A=5 and B=7

So,desired output will be A=7 and B=5 after swapping.

Image sample of output: - 

techee INDIA

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C++ program to swap values of two variables by passing pointers