Add new Data Structure algorithms (C++ only)

[sbis04]

Contribute any new Data Structure algorithm to the repo to get the Limited Edition Hacktoberfest t-shirt.

Instructions for contributing:

1. Fork this repo
2. Clone the forked repo to your local system
3. Add new files to the cloned folder
4. Commit the changes
5. Send a pull request

Please restrain from contributing the same data structures already present in the repository.

[the-bose]

Hello, I would like to add one

[ronika-das]

would like to contribute

[sbis04]

Those who want to contribute just follow the instructions above.

REMEMBER: Only new Data Structure Algorithms that are not already present in the repository would be accepted.

[sbis04]

Graph & Hash Tables are recommend. Please add appropriate comments for easy understanding of the beginners.

[bhavyasinghal06]

I would like to contribute spiral scanning

[srikant-code]

Can I write some alternative C++ code's for the codes you have previously written without use any of data structures as an alternative of data structures using my pure logic of maths?