Sawarnik's blog

By Sawarnik, 9 months ago, In English

A. Thor vs Loki


Solution

B. Archery


Hint 1
Hint 2
Solution

C. Homecoming


Hint 1
Hint 2
Solution

D. Games


Hint 1
Hint 2
Hint 3
Solution

E. Ultron's Army


Hint 1
Hint 2
Hint 3
Hint 4
Solution

F. Hail Hydra


Hint 1
Hint 2
Solution

G. Perfectly Balanced


Hint 1
Hint 2
Hint 3
Solution

H. Groot and The Groots


Hint 1
Hint 2
Hint 3: Open if you have sub-exponential solutions
Solution
 
 
 
 
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9 months ago, # |
  Vote: I like it +71 Vote: I do not like it

Thanks for lightning fast editorial!!!

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9 months ago, # |
Rev. 2   Vote: I like it 0 Vote: I do not like it

In E, "Biggest child in terms of length of the range it represents, not in subtree size". DSU on tree works for big child on subtree size right?

(Upd: Nvm, understood why.)

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4 months ago, # |
  Vote: I like it +24 Vote: I do not like it

Hello! It would be really helpful if you release editorials for monthly contests too if possible, thank you!