Cosmos: Add Catalan Number

[ZoroarkDarkrai]

I'll do it in c++ again :D.

[manan904]

I'll do it in Python.

[mkfeuhrer]

I'll do it in C

[bamsarts]

i'll do it in java

[manan904]

Should I create a new folder?

[Ilozuluchris]

Can I do this in Scala

[mkfeuhrer]

307

[AdiChat]

Sure @Ilozuluchris Go ahead 👍

[ravilkashyap]

Can I do it in C++?

[AdiChat]

@ravilkashyap We have a pull request for catalan number in C++. Kindly do it in some other language or try out some other task 👍

[bhaveshAn]

@AdiChat please let me know why the issue is still not closed.

[AdiChat]

@bhaveshAn We can add code in other languages as well 👍

[rattandeep1998]

I've added Catalan Number in Ruby. @AdiChat

[abhijeet010304]

@arnavb I can contribute to it in C++ please assign it to me

[arnavb]

Already here @abhijeet010304