C Program to Convert Decimal to Binary System
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.
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 */
int dec, bin;
printf("Enter a decimal number: ");
bin = convert(dec);
printf("The binary equivalent of %d is %d.\n", dec, bin);
int convert(int dec)
if (dec == 0)
return (dec % 2 + 10 * convert(dec / 2));
***************** OUTPUT *******************
Enter a decimal number: 10
The binary equivalent of 10 is 1010.
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