EmilConst's blog

By EmilConst, 3 years ago, In English

A month ago IZhO 2020 was held in Almaty, Kazakhstan. Thanks to Tima we can submit our solutions here. Here is editorial for problems day1 A, day1 B, day2 C. Please write solutions for other problems in comments.
Benq has published his codes for all problems here.

Day1 A

Observation
Final

Day1 B

Observation 1
Observation 2
Observation 3
Observation 4
Final

Day2 C

Read Tima's comment.

 
 
 
 
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3 years ago, # |
  Vote: I like it +13 Vote: I do not like it

That's great, thanks.

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3 years ago, # |
Rev. 3   Vote: I like it +29 Vote: I do not like it
Day 2 B (by request)
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3 years ago, # |
Rev. 3   Vote: I like it +36 Vote: I do not like it
Day 1 C (by request)
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3 years ago, # |
  Vote: I like it -8 Vote: I do not like it

Is there any source to upsolve IZhO 2020?

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2 years ago, # |
Rev. 2   Vote: I like it -10 Vote: I do not like it

.

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10 days ago, # |
Rev. 4   Vote: I like it 0 Vote: I do not like it

Benq why did you do the analysis for the tasks of the first day and did not do it for the remaining tasks of the second day. If you can do task day2 C do this please.