Gerald's blog

By Gerald, 7 years ago, translation, In English,

Good day, Codeforces!

I can't wait to give you a good news that a new competition for div1 participants is appeared in the list of events. This competition is a broadcast of the Saratov Team Olympiad on Programming and therefore will be held by the ACM-ICPC rules. Especially for div1 participants, we complicate this school competition a bit, so that everyone was interested to solve the problems.

This Competition is individual, it will be rated for both divisions.

Please note that the start time of the competition is different from the usual. Also note the unusual length of the competition.

See you at Codeforces Round #145! I hope that everyone will find the time to participate in the competition.

UPD. The competition finished, the editorial will come soon.

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

Thanks for this great time,when I am in school :(((((((

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7 years ago, # |
  Vote: I like it +135 Vote: I do not like it

I don't understand why there are so many negative comments about the time. This contest is a translation of the real competition for school students in Saratov, and it will be held at the same time. So the time can't be changed. If you can't participate, because you go to school and so on, you can solve a virtual contest later.

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7 years ago, # |
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7 years ago, # |
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x( i'm at school too beside there is no point in virtual contest :((

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7 years ago, # |
Rev. 2   Vote: I like it +1 Vote: I do not like it

I don't know what about others but for me the time is so lucky ) thanks.

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7 years ago, # |
  Vote: I like it +14 Vote: I do not like it

Can anyone tell how many problems there will be for div-2? I haven't ever participated in a 3:30 long contest in Codeforces before so i do not know... Thnx..

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    7 years ago, # ^ |
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    I think the author will update the number of problems in both divisions right before the contest.

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7 years ago, # |
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That's a great idea...

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7 years ago, # |
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It'll take place at 4AM here in Brazil. But, I found time to participate in the competition, it's a good way to learn.

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7 years ago, # |
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What is it mean ACM-ICPC rules? I can't find about ACM-ICPC rules. Can you explain or give a link for me please?

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    7 years ago, # ^ |
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    Here ACM-ICPC rules means, there will be no pretest or pending submission. You will get "Accepted" or "Wrong Answer" as a verdict right after submission and it will be final.

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      7 years ago, # ^ |
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      But the Duration of contest or Number of problems may differ from usual. :-)

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

Why durations of div1 and div2 are different? (div1 2h, div2 3.5h)

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    7 years ago, # ^ |
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    Sorry, i haven't see previous post. I know it now.

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7 years ago, # |
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Will the problems be sorted according to the difficulty?

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7 years ago, # |
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Love it..

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7 years ago, # |
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I hope this will be a good practice session for the upcoming regional in my country next month :)

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

Can someone explain me why need big time,

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7 years ago, # |
  Vote: I like it +10 Vote: I do not like it

Nice contest. It was worth waking up early.

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7 years ago, # |
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Is this contest rated?(I believe it's rated contest)

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    7 years ago, # ^ |
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    "This Competition is individual, it will be rated for both divisions."

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7 years ago, # |
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I skipped my class to play in the contest. XD!!!!

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7 years ago, # |
  Vote: I like it +37 Vote: I do not like it

Contest is over now, but I still can't see the solutions of other participants. Kindly fix this.

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7 years ago, # |
  Vote: I like it +12 Vote: I do not like it

I need upsolving. pls be fast

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7 years ago, # |
  Vote: I like it +34 Vote: I do not like it

Eagerly waiting for the rating to change....why is it taking so long today :(

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7 years ago, # |
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:-w

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7 years ago, # |
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i can't view others submissions nor has the rating changed , why is it taking so long

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7 years ago, # |
Rev. 2   Vote: I like it +34 Vote: I do not like it

The problem E can be modeled as Minimum Arborescence.

But I used to know the algorithm of it is O(VE)...

With nothing to do at last so I write one for a try...

But to my surprise it passed...

And I found the actually complexity of that is indeed O(E logV)....

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7 years ago, # |
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OHHHH next contest alsoooo 11 PM when I am in school !!!!!!!!!!!!!!!!!!!!!!!!!!

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

Will there be an editorial ?

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7 years ago, # |
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Could someone please tell me how to solve Div.2 H / Div.1 D problem Merging Two Decks?

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7 years ago, # |
  Vote: I like it +11 Vote: I do not like it

Many solutions to 240E - Road Repairs are wrong including mine. wuyiqi told me a test: 3 3 2 3 0 1 3 1 3 2 1

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    7 years ago, # ^ |
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    It is guaranteed that there is not more than one road between the cities in each direction.

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      7 years ago, # ^ |
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      I think there can be two roads between two city while they are in different directions.

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        7 years ago, # ^ |
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        Some pairs of cities have monodirectional roads built between them.

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          7 years ago, # ^ |
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          Many solutions to 240E — Road Repairs are wrong including mine like this: 4 4 1 2 1 2 3 0 3 4 1 4 2 0 mamy solutions output -1.but the answer is 2 1 3

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7 years ago, # |
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Hi A short-solution programming contest will hold on October 24 at gpac.blog.ir For more information go to the link.

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7 years ago, # |
  Vote: I like it +15 Vote: I do not like it

I'm still waiting for your editorial :(

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7 years ago, # |
  Vote: I like it +8 Vote: I do not like it

Will there by editorial for this contest?

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

How's the editorial coming? I'd love to read something about E ;)

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7 years ago, # |
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I found the tag "greedy" after I solved problem E in O(V+E). Is it true that there is a correct (not accepted) greedy solution for this problem? How? I hope someone or the editorial would tell me something about it.

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    3 years ago, # ^ |
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    try 3 3 1 2 1 2 3 1 3 2 0

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7 years ago, # |
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Could you please upload the editorial ?

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7 years ago, # |
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How's the editorial coming?

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7 years ago, # |
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i don't think the statement of problem e satisfy the truth.

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6 years ago, # |
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There is no editorial until now !!! :/ Will it be published ??? Or already published in any other blog ???

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5 years ago, # |
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Why am I getting a TLE on the 1st test case

http://ideone.com/0PewNN

Please help

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18 months ago, # |
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Can anyone tell me how the answer for "Cinema" for this test case is 0, 2: 100 1 1 2 ab 17 0 0 0 0 0 0 0 0 0 0 0 2 3 4 5 6 7 abb 1 2 The 1st movie need not contain his favorite actor hence I think the answer is 2, 2. Pls. help

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8 months ago, # |
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I like this contest 52150518:)

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8 months ago, # |
  Vote: I like it +1 Vote: I do not like it

my AC code(cpp):52150518