Use of C++ program to find sum of two numbers using recursion

Use of C++ program to find sum of two numbers using recursion

In this tutorial, we will discuss a concept of the  Use of C++ program to find sum of two numbers using recursion

In this article, we are going to learn  how to  find the addition of two numbers using recursion in the C++ programming language

Use of C++ program to find sum of two numbers
Find sum of two numbers

Program

This program allows entering two digits from the user to find the addition of two numbers using the recursive function in C++ programming language

#include <iostream>
#include <conio.h>
using namespace std;

int add(int,int);
int main()
{
    int x,y,result;  //variable declaration
    cout<<"enter two integers: ";
    cin>>x>>y;
     result=add(x,y);
   cout<<"Sum of two numbers are:"<<result;
    getch();
    return 0;
}
int add(int x, int y)
{
    if(y==0)
        return x;
    else
        return(1+add(x,y-1));
}

When the above code is executed, it produces the following results

Enter two integers: 12
34
Sum of two numbers are: 46

Method

  1. Declare the three int type variables x,y and result. x and y are used to receive input from the user whereas the result is used to assign the output.
  2. Receive input from the user for x, y to perform addition.
  3. When the function is called, two numbers will be passed as an argument. Subsequently,  the sum of the two numbers will be found.
  4. Then, assign the output to the variable result
  5. Display the result on the screen.

 

 

 

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