What is the time complexity of the above code used to convert a decimal number to its binary equivalent?

What is the time complexity of the above code used to convert a decima

1.	What is the time complexity of the above code used to convert a decimal number to its binary equivalent?
A.	O(1)
B.	O(n)
C.	O(n<sup>2</sup>)
D.	O(logn)
Answer» E.