Contribute Solution for LeetCode October Day 18

[arya2004]

Day 18:

Contribute a solution for this day's LeetCode problem.

Rules:

• Comment on this issue if you're willing to contribute.
• Each user can contribute a maximum of 1 solution in Java, C++, or Python.
• Each user can contribute a maximum of 2 solutions in other languages like JavaScript, Go, Ruby, etc.
• Please ensure that no one has already commented for the language you're planning to contribute in.

Good luck and happy coding! :tada: :rocket:

[Sofiyan-coder]

Hi @arya2004 , I would like to contribute in Java assign me

[prateek168]

@arya2004 i want to contribute to this issue using C++.