Decimal to Octal conversion using recursion

Problem statement:- Program to Convert Decimal to Octal using recursion.

Data requirement:-

   Input Data:- n

  Output Data:-DecimalToOctal(n)

Program in C

Here is the source code of the C Program to Convert Decimal to Octal using recursion.

Code:

#include<stdio.h>

int DecimalToOctal(int n)

{

    static int sem=1,octal=0;

    if(n!=0)

    {

      octal=octal+(n%8)*sem;

      sem=sem*10;

      DecimalToOctal(n/8);

    }

   return octal;

}

int main()

{

    int n;

    printf("Enter the Decimal Value:");

    scanf("%d",&n);

    printf("Octal Value of Decimal number is: %d",DecimalToOctal(n));

}

Input/Output:

Enter the Decimal Value:8

Octal Value of Decimal number is: 10

Program in C++

Here is the source code of the C++ Program to Convert Decimal to Octal using recursion.

Code:

#include<iostream>

using namespace std;

int DecimalToOctal(int n)

{

    static int sem=1,octal=0;

    if(n!=0)

    {

      octal=octal+(n%8)*sem;

      sem=sem*10;

      DecimalToOctal(n/8);

    }

   return octal;

}

int main()

{

    int n;

    cout<<"Enter the Decimal Value:";

    cin>>n;

    cout<<"Octal Value of Decimal number is: "<<DecimalToOctal(n);

}

Input/Output:

Enter the Decimal Value:165

Octal Value of Decimal number is: 245

Program in Java

Here is the source code of the Java Program to Convert Decimal to Octal using recursion.

Code:

import java.util.Scanner;

public class ConvertDecimalToOctal {

int sem=1,octal=0;

int DecimalToOctal(int n)

{

    if(n!=0)

    {

      octal=octal+(n%8)*sem;

      sem=sem*10;

      DecimalToOctal(n/8);

    }

   return octal;

}

public static void main(String[] args) {

           Scanner cs=new Scanner(System.in);

            int n;

    System.out.print("Enter the Decimal Value:");

    n=cs.nextInt();

    ConvertDecimalToOctal ob=new  ConvertDecimalToOctal();

    System.out.print("Octal Value of Decimal number is: "+ob.DecimalToOctal(n));

        cs.close();

}

}

Input/Output:

Enter the Decimal Value:10

Octal Value of Decimal number is: 12

Program in Python

Here is the source code of the Python program to convert Decimal to Octal using recursion.

Code:

sem=1

octal=0

def DecimalToOctal(n):

    global sem,octal

    if(n!=0):

        octal = octal + (n % 8) * sem

        sem = sem * 10

        DecimalToOctal(n // 8)

    return octal

n=int(input("Enter the Decimal Value:"))

print("Octal Value of Decimal number is: ",DecimalToOctal(n))

Input/Output:

Enter the Decimal Value:45

Octal Value of Decimal number is:  55

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