As an experiment the Educational Codeforces Round 33 will be rated for Div. 2. ×

Codeforces Round #428 editorial

Revision en2, by Arpa, 2017-08-14 17:13:29

Hi!

Hints

A: Tag: Greedy!

B: Tag: Greedy!

C: For each vertex like v find exv, the expected length of their journey if they start from v.

D: Tag: Inclusion exclusion.

E: Find the maximum clique.

Solutions

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Arpa's solution: 29412123.

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Arpa's solution: 29412154.

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Arpa's solution: 29412220.

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MaGaroo's solution: 29458745.

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Arpa's solution: 29412249.

P.S. Please notify me if there is any problem.

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History

 
 
 
 
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  Rev. Lang. By When Δ Comment
en2 English Arpa 2017-08-14 17:13:29 10 fixed magaroo's solution link
en1 English Arpa 2017-08-12 22:08:49 783 Initial revision (published)