OJ Board

Hi
I visited http://www.ioiforum.org/ but i can't become their member
Who can give me some url about that?
Thank a lot.

Sorry, I don't know what's MLE, TLE mean?
I also stuck in this problem
Can you give me some hint?
Thank you.

Thanks! :)
And what's about this problem, does the solution use RMQ? How to solve?

Problem 7: Cave Cows 2 [Brian Dean, 2004]

In one cave Bessie is planning to explore, a long corridor is made
up of N segments (1 <= N <= 25,000 and numbered 1..N) joined
end-to-end. Each of these segments has a ...

I'm newcomer, so help me pls!
What's the RMQ problem?