Комментарии
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Thanks :) Nice problem, simple soln but not obvious :)
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C and D
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+5
It would have been great if you could submit your solution and give the link to your solution. Or atleast we could see through history of submission.
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+5
ztraining is another good site for ioi practice.
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-5
at ith iteration, take the new one by 1/i probability.
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-1
For mistake in A, if we delayed in other problems then why should our ratings be decreased?
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+7
If you rate, those who get points by challenging codes which were based on mistaken statement would get advantage over others. So I vote for: Don't Rate
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I was just wondering, if the second part (DP) could be solved in < O(n^2). Is there any way?
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I am disappointed to see this post. I agree with sazzad and many others. Whether you will participate in salat or cf thats your priority. I will not say you must choose salat or you must choose cf. And it is completely your personal priority choosing. What you could do is inform Mike about the friday matter. But I found your posts and comments quite offensive.
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+5
Some of the test cases are too big to copy. How to get them?
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На natalia →
Школьная индивидуальная олимпиада #2 (ЗКШ 2010/11) - Codeforces Beta Round #43 (ACM-ICPC Rules): разбор задач A, C, F и G, 17 месяцев назад
+5
i dont understand, why sum of first n, or n of first n+1 will yield (0,0) sum.
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На Nerevar →
School Individual Contest #2 (WCS 2010/11) - Codeforces Beta Round #43 (ACM-ICPC Rules), 17 месяцев назад
+5
Head was out when saw A's sample does not match but still some people managed to get AC. So waited.. then got the message to submit :( unfortunate lost 10min valuable time :(
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+8
To the organizers, If it is possible then share the teaching materials with us :) It will be great help for us.
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these days i am reading the prblems wrong. i read, the diamond is hidden in one of the chairs with 90% probability. .........
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-1
i guess it is 1?
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oh sorry. actually i misread the problem. i thought all the elements are atleast in one group. then the problem becomes trivial and i was not sure why you are doing such hard dp :P
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how will you handle the group? only one cookie allowed from each group.
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how will you handle the group? only one cookie allowed from each group.
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-1
i am sorry, actually i wanted to mean problem D. :( I have to repost :( I sucked in my first post :(
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-1
i am sorry, actually i wanted to mean problem D. :( I have to repost :( I sucked in my first post :(
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