Add solutions to hackerearth problems.

[rathoresrikant]

Create a folder Hackerearth. Add running codes that pass all the test cases.
Programming language : Any
Add proper names to the codes.
Don't add solutions for current challenges.
Happy coding !

[memr5]

**PULL REQUEST #93 **
Created New Folder "Hackerearth" and also Added Some Editorials in it

[rathoresrikant]

Thanks for the contribution.

[2tanayk]

May I contribute to any of these problems ,do let me know!!😄