Create 0231-power-of-two.cpp

[prajval-malhotra]

• File(s) Modified: 0231-power-of-two.cpp
• Language(s) Used: C++
• Submission URL: https://leetcode.com/problems/power-of-two/submissions/1297179299/

Important

Please make sure the file name is lowercase and a duplicate file does not already exist before merging.