[Chapel-gsoc] Can I add these functions?

[Adit M. <adi...@gm...>]

 Hi,

I am Adit Mehta. I am 2108 GSoC aspirant.I have experienced some of the
functions are important and repeatedly used in the competitive programming
and many of the college assignments. Can you tell me which functions should
I add from the below given :-

1) Power Mod
2) Factorial of large number (for e.g 500! or even more)
3) Graph
4) Permutation and Combination
5) GCD (Greatest Common Divisor)

I will be waiting for your response.

Thank You,
Adit Mehta