Program to convert binary to decimal using while loop

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

Data requirement:-

   Input Data:- binary

  Output Data:-decimal

Program in C

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

Code:

#include <stdio.h>

#include <math.h>

int

main ()

{

   int binary;

    printf("Enter Binary number:");

    scanf("%d", &binary);

   int decimal= 0, temp = 0, reminder;

    while (binary!=0)

    {

        reminder = binary % 10;

        binary = binary / 10;

        decimal = decimal + reminder*pow(2,temp);

        temp++;

    }

    printf("Decimal number is: %d",decimal);

    return 0;

}

Input/Output:

Enter Binary number:

1011110

Decimal number is: 94

Program in C++

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

Code:

#include <iostream>

#include<cmath>

using namespace std;

int

main ()

{

   int binary;

    cout<<"Enter Binary number:";

     cin>>binary;

   int decimal= 0, temp = 0, reminder;

    while (binary!=0)

    {

        reminder = binary % 10;

        binary = binary / 10;

        decimal = decimal + reminder*pow(2,temp);

        temp++;

    }

    cout<<"Decimal number is: "<<decimal;

    return 0;

}

Input/Output:

Enter Binary number:

111101

Decimal number is: 61

Program in Java

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

Code:

import java.util.Scanner;

public class BinaryToDecimal {

public static void main(String[] args) {

Scanner cs=new Scanner(System.in);

int binary;

    System.out.println("Enter Binary number:");

    binary=cs.nextInt();

   int decimal= 0, temp = 0, reminder;

    while (binary!=0)

    {

        reminder = binary % 10;

        binary = binary / 10;

        decimal = (int) (decimal + (reminder*Math.pow(2,temp)));

        temp++;

    }

    System.out.println("Decimal number is: "+decimal);

cs.close();

}

}

Input/Output:

Enter Binary number:

110110

Decimal number is: 54

Program in Python

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

Code:

print("Enter Binary number:")

binary=int(input())
decimal= 0
temp = 0
while (binary!=0):

        reminder = binary % 10
        binary = binary // 10
        decimal = decimal + reminder*pow(2,temp)
        temp=temp+1
print("Decimal number is: ",decimal) 

Input/Output:

Enter a Decimal Number: 

5

The Binary Number is:  101

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