Add the solutions for interviewbit problems #34
Description
Interviewbit is a very popular and emerging platform for competitive programming. It contains all the tracks topic wise like Arrays, Linked List, backtracking, etc. The problems are up to date with the industry standards and the they are timed. I believe that we can also add a section for interviewbit solutions. I have added a PR doing the same with a solution from the arrays sub topic [#33]