-3en_7oras-'s blog

Bug in Codeforces Round #827 (Div. 4)
By -3en_7oras-, history, 18 months ago, In English

in problem D said that n>=2 && n<= 2e5 but in test 24 n = 1 that gave some correct solutions wrong answer

like this code :https://ideone.com/HI5Kc5

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

Auto comment: topic has been updated by -3en_7oras- (previous revision, new revision, compare).

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18 months ago, # |
  Vote: I like it +8 Vote: I do not like it

I can't believe it.I think it's terrible.

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18 months ago, # |
  Vote: I like it +4 Vote: I do not like it

Actually in test case 2 it have a test with n = 1.

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

This has no effect on most solutions, but will it affect some strange solutions?

Also, will this make the game unrated?

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

    I agree with you but the problem must be fair for all contestants

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18 months ago, # |
← Rev. 2   Vote: I like it +8 Vote: I do not like it

This guy IcarusII got FST due to this bug ! 175973439

Hey writers, SlavicG and badlad do something please.

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

the bug has been solved and all solutions rejudged thanks for writers and mike

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