MikeMirzayanov's blog

Registration on VK Cup 2012 Round 2
By MikeMirzayanov, 13 years ago, translation, In English

Hello.

VK Cup 2012 Round 2 will be held in two editions:

In each of these editions the ratings will be updated (separately). In the first edition the ratings will be updated according to the results of participant of both types: official and unofficial. Ratings of the participants of both types will be updated. In the second edition it is easier — there is only one type of participants and and their ratings will be updated in typical way.

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13 years ago, # |
  Vote: I like it +20 Vote: I do not like it

"they" will participate, not "them"

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13 years ago, # |
  Vote: I like it -47 Vote: I do not like it

Vote for type one!!!

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

So division 2 people can do the official, right? (If they're in the cup)

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    13 years ago, # ^ |
      Vote: I like it +5 Vote: I do not like it

    official VK Cup 2012 Round 2 — for official advancers to VK Cup 2012 Round 2

    Yes, you're right.

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13 years ago, # |
  Vote: I like it +19 Vote: I do not like it

In the registrants page, the font size for contestants' handles is larger than usual. Is it just me?

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13 years ago, # |
  Vote: I like it +7 Vote: I do not like it

Will score distribution be dynamic in this round?

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13 years ago, # |
  Vote: I like it +3 Vote: I do not like it

I faced a lot of problems participating this contest:( It took quiet a few tries to submit one problem successfully, Getting "Requested URL could not be retrieved" and other page loading problems. Besides i can't even lock my solutions. I hope admins will consider these cases.

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

For Problem B Div 2. Please explain me the meaning of sentence " You are allowed to use not all elements from s".

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    13 years ago, # ^ |
    ← Rev. 2   Vote: I like it 0 Vote: I do not like it

    Each element from s you can not use, or use only one time.

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    13 years ago, # ^ |
      Vote: I like it +1 Vote: I do not like it

    I've got WA too because of this sentence ... :|

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

    Exactly I was confused with this statement. I even asked a question during the contest and got this answer: it is possible to use only some digits from s. So what I understood from this was that all digits in s cannot be used for replacement.eg: a:1234 s:9999 Then the answer should be 9994 and not 9999. But it was not so. And after failing pretests twice I found this problem.

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      13 years ago, # ^ |
      ← Rev. 3   Vote: I like it 0 Vote: I do not like it

      Same was the case with me. After 2 Wrong submissions and about hour of thinking of corner case when I couldn't think of any mistake, out of frustration I submitted the code in which we can use all letters from s and finally I got AC'ed.

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13 years ago, # |
← Rev. 7   Vote: I like it -6 Vote: I do not like it

This was the first thought when I took a look at the standings...

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13 years ago, # |
  Vote: I like it -8 Vote: I do not like it

Somebody could explain me how this solution pass under the 2 seconds time limit, me and another five people got unsuccessful hacks in my room (my guess is because of the codeforces server speed): http://www.codeforces.com/contest/169/submission/1412269

How can I avoid this kind of situation in the future?

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