Add algorithm problems questions

[prateekiiest]

Create a new folder Algorithms.
Make diff categories like Dynamic greedy, Greedy.
Push problems there.

[coderdecoder01]

on it.

[prateekiiest]

I am not closing the issue.
Let others contribute more to it.

[AdilMah]

Are all solutions to be submitted to the solution.md file???

[prateekiiest]

Not solution.md but solution.cpp/ solution.java

[ravi8190]

can i contribute