Plaese help to find the error in my code

Question

Converting a decimal number to binary using two methods (recursive function,iterative function)
https://code.sololearn.com/cqV36KWH4jmA/?ref=app

Answer 1

Here is my way in python
https://code.sololearn.com/cbuEL31L3qmW/?ref=app

Answer 2

Here is an C example based on your code
https://code.sololearn.com/cYe96awOylRn/?ref=app

Answer 3

How can I convert decimal number to binary using recursion please