chromate00's blog

By chromate00, 2 months ago, In English

Well, it's my first time posting this type of blog on codeforces. Most of the time I could either find help elsewhere or find the answer myself, but this time it was different. I could not find any resource related to this problem, given that the discussion page for this Opencup contest is a blank russian blog from 2015 that I do not want to necropost on, and I do not know anyone who has solved this problem personally. The problem is here on Baekjoon OJ, and I would like to share my approach so far before asking the question, so that we can improve over the current approach.

Current Approach
Code based on approach

Now here's the issue: I am still getting a WA verdict on the problem. This might mean that I need to prove a tighter bound possible, however I am unable to improve it further than the current status of the approach. Can anyone help me on this problem? Is there anyone here who have solved this problem personally and/or during the contest?

 
 
 
 
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2 months ago, # |
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    2 months ago, # ^ |
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    Wow. This is quite astonishing (at least to me). It would be a fun nightmare trying to prove this and write a solution.

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    2 months ago, # ^ |
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    Orz

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2 months ago, # |
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orz