Print even numbers in given range using recursion

Problem statement:- Program to Print even numbers in a given range using recursion.

Data requirement:-

   Input Data:- num2

  Output Data:-num1

Program in C

Here is the source code of the C Program to Print even numbers in a given range using recursion.

Code:

#include<stdio.h>

int even(int num1, int num2)

{

   if(num1>num2)

    return;

    printf("%d ",num1);

return even(num1+2,num2);

}

int main()

{

    int num1=2,num2;

    printf("Enter your Limit:");

    scanf("%d",&num2);

    printf("All Even number given range are:");

    even(num1,num2);

}

Input/Output:

Enter your Limit:15

All Even number given range are:2 4 6 8 10 12 14

Program in C++

Here is the source code of the C++ Program to Print even numbers in a given range using recursion.

Code:

#include<iostream>

using namespace std;

int even(int num1, int num2)

{

   if(num1>num2)

    return 0;

    cout<<num1<<" ";

return even(num1+2,num2);

}

int main()

{

    int num1=2,num2;

    cout<<"Enter your Limit:";

    cin>>num2;

    cout<<"All Even number given range are:";

    even(num1,num2);

}

Input/Output:

Enter your Limit:21

All Even number given range are:2 4 6 8 10 12 14 16 18 20

Program in Java

Here is the source code of the Java Program to Print even numbers in a given range using recursion.

Code:

import java.util.Scanner;

public class FindEvenNumber {

static int even(int num1, int num2)

{

   if(num1>num2)

    return 0;

   System.out.print(num1+" ");

return even(num1+2,num2);

}

public static void main(String[] args) {

           Scanner cs=new Scanner(System.in);

    int num1=2,num2;

    System.out.print("Enter your Limit:");

    num2=cs.nextInt();

    System.out.print("All Even number given range are:");

    even(num1,num2);

        cs.close();

}

}

Input/Output:

Enter your Limit:9

All Even number given range are:2 4 6 8 

Program in Python

Here is the source code of the Python program to Print even numbers in a given range using recursion.

Code:

def even(num1,num2):

    if num1>num2:

        return

    print(num1,end=" ")

    return even(num1+2,num2)

num1=2

print("Enter your Limit:")

num2=int(input())

print("All Even number given range are:")

even(num1,num2)

Input/Output:

Enter your Limit:

33

All Even number given range are:

2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 

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