Add solution to problem 92. It's amazing to see how Hackerrank making a simple problem to a quite challenging one. I should make this code more scala fashion rather than python.
Add solution to problem 92. It's amazing to see how Hackerrank making a
simple problem to a quite challenging one. I should make this code more
scala fashion rather than python.

advancedxy/hackerrank,advancedxy/hackerrank,advancedxy/hackerrank