Q:

Write a C Program to Convert Decimal to Binary System using Recursion

robaa
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2022-11-24
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Write a C Program to Convert Decimal to Binary System using Recursion. Here’s simple Program to Convert Decimal to Binary System using Recursion in C Programming Language.

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robaa
2022-11-24
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Recursion : :

  • Recursion is the process of repeating items in a self-similar way. In programming languages, if a program allows you to call a function inside the same function, then it is called a recursive call of the function.
  • The C programming language supports recursion, i.e., a function to call itself. But while using recursion, programmers need to be careful to define an exit condition from the function, otherwise it will go into an infinite loop.
  • Recursive functions are very useful to solve many mathematical problems, such as calculating the factorial of a number, generating Fibonacci series, etc.

Problem : :

The following C program using recursion finds a binary equivalent of a decimal number entered by the user. The user has to enter a decimal which has a base 10 and this program evaluates the binary equivalent of that decimal number with base 2.

 
 

Below is the source code for C Program to Convert Decimal to Binary System using Recursion which is successfully compiled and run on Windows System to produce desired output as shown below :

SOURCE CODE : :

/* C Program to Convert Decimal to Binary System using Recursion */


#include <stdio.h>
 
int convert(int);
 
int main()
{
    int dec, bin;
 
    printf("Enter a decimal number: ");
    scanf("%d", &dec);
    bin = convert(dec);
    printf("The binary equivalent of %d is %d.\n", dec, bin);
 
    return 0;
}
 
int convert(int dec)
{
    if (dec == 0)
    {
        return 0;
    }
    else
    {
        return (dec % 2 + 10 * convert(dec / 2));
    }
}

Output :

***************** OUTPUT *******************

Enter a decimal number: 10

The binary equivalent of 10 is 1010.

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C Recursion Solved Programs – C Programming
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