fzx1's blog

So why did the brute force passed the problem D
By fzx1, history, 20 months ago, In English

It is an interesting thing that the brute force passed the problem D https://codeforces.net/contest/1808/submission/199698146

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20 months ago, # |
  Vote: I like it +30 Vote: I do not like it

How to hack it?

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20 months ago, # |
  Vote: I like it -8 Vote: I do not like it

Because of the first two lines

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20 months ago, # |
  Vote: I like it 0 Vote: I do not like it

I belief that the code will reach to time limit at least in the case N=2*10^5, k=10^5. It seems like the test didn't strong enough :D

Actually, I see the code was hacked.

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