Find sum of two numbers using recursion

Problem statement:- Program to Find the sum of two numbers using recursion.

Data requirement:-

   Input Data:- num1, num2

  Output Data:-sum(num1,num2)

Program in C

Here is the source code of the C Program to Find the sum of two numbers using recursion.

Code:

#include<stdio.h>

int sum(int num1, int num2)

{

   if(num2==0)

    return num1;

   return sum(num1, num2-1)+1;

}

int main()

{

    int num1, num2;

    printf("Enter the two Number:");

    scanf("%d%d",&num1,&num2);

    printf("Sum of Two Number Using Recursion is:%d",sum(num1,num2));

}

Input/Output:

Enter the two Number:10

25

Sum of Two Number Using Recursion is:35

Program in C++

Here is the source code of the C++ Program to Find the sum of two numbers using recursion.

Code:

#include<iostream>

using namespace std;

int sum(int num1, int num2)

{

   if(num2==0)

    return num1;

   return sum(num1, num2-1)+1;

}

int main()

{

    int num1, num2;

    cout<<"Enter the two Number:";

    cin>>num1>>num2;

    cout<<"Sum of Two Number Using Recursion is:"<<sum(num1,num2);

}

Input/Output:

Enter the two Number:24

36

Sum of Two Number Using Recursion is:60

Program in Java

Here is the source code of the Java Program to Find the sum of two numbers using recursion.

Code:

import java.util.Scanner;

public class SumOfTwoNumberUsingRecursion {

  static int sum(int num1, int num2)

  {

  if(num2==0)

   return num1;

return sum(num1, num2-1)+1;

  }

public static void main(String[] args) {

Scanner cs=new Scanner(System.in);

int num1, num2;

    System.out.print("Enter the two Number:");

    num1=cs.nextInt();

    num2=cs.nextInt();

    System.out.print("Sum of Two Number Using Recursion is: "+sum(num1,num2));

        cs.close();

}

}

Input/Output:

Enter the two Number:25

30

Sum of Two Number Using Recursion is: 55

Program in Python

Here is the source code of the Python Program to Find the sum of two numbers using recursion.

Code:

def sum(num1,num2):

    if num2==0:

        return num1

    return sum(num1, num2-1)+1

print("Enter the two Number:")

num1=int(input())

num2=int(input())

print("Sum of Two Number Using Recursion is: ",sum(num1,num2))

Input/Output:

Enter the two Number:

55

100

Sum of Two Number Using Recursion is:  155

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