Does anyone know what Pisano period means? I've just seen it in two of the top ranked in the latest div3 and they both have a lot of comments in their code, clearly indicating ChatGPT use. First code, second code. I've just googled it, it's an advanced math theorem or something. Can we at least get the ChatGPT users among the top ranked skipped?
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even people use thread instead of fast io?, i thiking this can be a little extreme...
damn.. using those Pisano thingie is a bit overkill for div3
its not necessary, you can kinda see the pattern where lets say the i-th number is divisible by k in the sequence, then you know that every i-th number will also be divisible by k. just observe the pattern. sure its kinda luck based, but it is what it is
I see your point
https://codeforces.me/contest/2033/submission/287820152
skibidi skibidi skibidi!