Circular Array Rotation HackerRank Solution in C++

Circular Array Rotation solution in C++ (HackerRank Algorithms - Implementation). This solution is uses O(1) constant auxiliary space.
HackerRank Solutions on GitHub: github.com/Isa...

[@nextrie]

Here's a similar exercise for you to understand how to deal with array ranges/rotations: kzbin.info/www/bejne/fHOod2WNjsafgNU