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sys.'s blog

Hack Method About 1242C (#599 div.1C)
By sys., 4 years ago, In English

Many participants use std::map in their codes.

If the type of the key is int, it will be hacked by this:

2
2 1 2
10 0 1000000000 999999999 999999998 999999997 999999996 999999995 999999994 999999993 589934621

Because (int) 4294967296LL == 0

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Comments Comments (7)
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4 years ago, # |
  Vote: I like it +115 Vote: I do not like it

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4 years ago, # |
  Vote: I like it 0 Vote: I do not like it

<3

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4 years ago, # |
  Vote: I like it -7 Vote: I do not like it

Yeah, that sucks. Is it going to be rejudged?

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4 years ago, # |
← Rev. 2   Vote: I like it +16 Vote: I do not like it

define int long long master race.

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

Damn You :( How Could You Even Think Of Something Like That? :)

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    4 years ago, # ^ |
      Vote: I like it 0 Vote: I do not like it

    WA on test 25.

    Ohhhhh!!!!I forgot to use long long!!!!!

    Submitted, still WA on test 25. :(

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4 years ago, # |
  Vote: I like it -44 Vote: I do not like it

hashtagdefineintlonglong and all your problems are gone

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