Program to convert decimal to octal using while loop

Problem statement:- Program to convert decimal to octal using while loop.

Data requirement:-

   Input Data:- number

  Output Data:-octal

Program in C

Here is the source code of the C Program to convert decimal to octal using a while loop.

Code:

#include <stdio.h>

int

main ()

{

  int rem, number,sem=1,octal=0;

  printf ("Enter the Decimal Number:");

  scanf ("%d",&number);

  while(number !=0)

    {

      octal=octal+(number%8)*sem;

      number=number/8;

      sem=sem*10;

    }

  printf (" Octal Number is %d",octal);

  return 0;

}

Input/Output:

Enter the Decimal Number:35

Octal Number is 43

Program in C++

Here is the source code of the C++ Program to convert decimal to octal using a while loop.

Code:

#include <iostream>

using namespace std;

int

main ()

{

  int rem, number,sem=1,octal=0;

  cout<<"Enter the Decimal Number:";

  cin>>number;

  while(number !=0)

    {

      octal=octal+(number%8)*sem;

      number=number/8;

      sem=sem*10;

    }

  cout<<"Octal Number is "<<octal;

}

Input/Output:

Enter the Decimal Number:78

Octal Number is 116

Program in Java

Here is the source code of the Java Program to convert decimal to octal using a while loop.

Code:

import java.util.Scanner;

public class DecimalToOctal {

public static void main(String[] args) {

Scanner cs=new Scanner(System.in);

int rem, number,sem=1,octal=0;

  System.out.println("Enter the Decimal Number:");

  number=cs.nextInt();

  while(number !=0)

    {

      octal=octal+(number%8)*sem;

      number=number/8;

      sem=sem*10;

    }

  System.out.println("Octal Number is "+octal);

cs.close();

}

}

Input/Output:

Enter the Decimal Number:

89

Octal Number is 131

Program in Python

Here is the source code of the Python Program to convert decimal to octal using a while loop.

Code:

sem=1

octal=0
print("Enter the Decimal Number:")
number=int(input())
while(number !=0):
      octal=octal+(number%8)*sem
      number=number//8
      sem=int(sem*10)

print("Octal Number is ",octal)

Input/Output:

Enter the Decimal Number:

9

Octal Number is  11

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