Vahagn_Grigoryan's blog

I need help
By Vahagn_Grigoryan, history, 4 years ago, In Russian

I participated in contest, and I found this problem really interesting. But, unfortunately, I couldn't solve that. Can you tell me what algorithm should I use please?

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4 years ago, # |
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You could read the problem editorial here.

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    4 years ago, # ^ |
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    Oh, sorry for disturbing you. I didn't noticed that. Thank you.

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      4 years ago, # ^ |
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      actually you have distrubed thousands of people :)

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