Completely agreed! I spent two days thinking about how to solve the problem, a day to debug, still got TLE (using two segment trees and tries), replaced a segment tree with sparse table and finally got AC. Now finding the fact that brute force in PyPy2 worked, I don’t feel screwed just a little disappointed. Multipliers should be based on individual problems if possible, otherwise as close to optimal requirements for each language (I know that is a tough thing to decide) but PyPy is nearly as fast as C++, it shouldn’t need a multiplier of 5. I think a multiplier of 2 is reasonable (correct me, if I’m wrong).
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The language and multipliers are for all and its one’s fault if she/he isn’t making the best use of it