Asking Tips for Using Ruby in Programming Challenge/Competition

Many contestant in online programming challenge/competition are using
c/c++/java although there are options for using other languages. Some of
it are http://codechef.com and http://codeforces.com.

I though, by practicing using ruby in solving problems on that online
site, I’ll gain more knowledge. I also think that it’s a good approach
for beginners like me. And it’s one of many way to show that ruby is
also capable on this area.

So, I try to use ruby in solving some of the problems on that site but
sometimes I must come back to c/c++ for speed/time limit and input
processing problem.

Anyone have ever use ruby for this area? Could you give some tips for
ruby beginners in handling time limit and input processing problem.

Thanks before.

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