How to check if a number is a power of two. Give an integer, write a function to check if it is a power of two.
Example –
Input – 16 – 16 is a power of 2 (2^4).
Input – 15 – 15 is not a power of 2.
Input – 32- 32 is a power of 2 (2^5).
We can use multiple approaches to check whether a number is a power of 2 or not.