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Using Pass by Reference in a Simple Function in C++

This program will allow you to input two numbers. A function will be called to set the smallest number out of the two to 0 and to display the output in the main program.



#include <iostream>
void zeroSmaller(int &n1,int &n2);
using namespace std;
int main ()
{
        int num1,num2;

         cout<<"Input number 1: ";
        cin>>num1;

         cout<<"Input number 2: ";
        cin>>num2;

         zeroSmaller(num1,num2);
        cout<<"The new values for number 1 and 2 are "<<endl<<num1<<" and "<<num2<<endl;
        return 0;
}

 void zeroSmaller(int &n1,int &n2)
{
        if(n1<n2)
        {
                n1=0;
        }
        else

        {
                           n2=0;
       }
}

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