Hohol's blog

By Hohol, 6 years ago, In Russian,

Контест закончился, давайте пообсуждаем. Как решать C?

 
 
 
 
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6 years ago, # |
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I wonder how checker works on problem E.

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    6 years ago, # ^ |
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    Heard of Nim?

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    6 years ago, # ^ |
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    The problem won't change much if you replace K with 18 — K. According to the constraints (K <= 18, output length <= 2^9+36) a simple brute force checker should suffice: binom(18,9)*2^9 ≈ 25 millions, a factor of 18 being avoided by bit hacks

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5 years ago, # |
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to slowww