Editorial of Codeforces Round 796

Revision en4, by huangzirui, 2022-06-04 17:50:18

1688A - Cirno's Perfect Bitmasks Classroom

Idea: huangzirui. Solution: huangzirui. Preparation: huangzirui.

Good problem
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Hint
Solution
Code (C++)
Code (Python)
Apology

1688B - Patchouli's Magical Talisman

Idea: Yakumo_Ran. Solution: Yakumo_Ran. Preparation: SSerxhs.

Good problem
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Did not solve

Hint1
Hint2
Solution
Code (C++)
Spoiler

1688C - Manipulating History

Idea: Yakumo_Ran. Solution: Yakumo_Ran, SSerxhs. Preparation: SSerxhs.

Good problem
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Bad problem
Did not solve

Hint1
Hint2
Hint3
Hint4
Hint5
Solution
Code (C++)
Code (Python)

1687A - The Enchanted Forest

Idea: Yakumo_Ran, SSerxhs. Solution: Yakumo_Ran. Preparation: SSerxhs.

Good problem
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Did not solve

Hint1
Hint2
Hint3
Solution
Code (C++)
Code (Python)

1687B - Railway System

Idea: Yakumo_Ran. Solution: Yakumo_Ran, huangzirui. Preparation: SSerxhs.

Good problem
Average problem
Bad problem
Did not solve

Hint1
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Hint3
Solution
Code (C++)
Code (Python)

1687C - Sanae and Giant Robot

Idea: Yakumo_Ran. Solution: Yakumo_Ran. Preparation: huangzirui, SSerxhs.

Good problem
Average problem
Bad problem
Did not solve

Hint1
Hint2
Solution
Code (C++)
Spoiler

1687D - Cute number

Idea: Yakumo_Ran. Solution: huangzirui. Preparation: SSerxhs, huangzirui.

Good problem
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Did not solve

Hint1
Hint2
Solution
Code (C++)

1687E - Become Big For Me

Idea: xiaoziyao. Solution: xiaoziyao, SSerxhs. Preparation: SSerxhs, xiaoziyao.

Good problem
Average problem
Bad problem
Did not solve

Hint
Solution
Code (C++)
Spoiler

1687F - Koishi's Unconscious Permutation

Idea: huangzirui. Solution: Elegia. Preparation: huangzirui, SSerxhs.

Good problem
Average problem
Bad problem
Did not solve

Hint
Solution
Code (C++)
Tags editorial, contest

History

 
 
 
 
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  Rev. Lang. By When Δ Comment
en5 English huangzirui 2022-07-02 10:39:21 27
en4 English huangzirui 2022-06-04 17:50:18 2
en3 English huangzirui 2022-06-04 17:47:33 103
en2 English huangzirui 2022-06-04 09:14:07 178
en1 English huangzirui 2022-06-03 19:53:20 35951 Initial revision (published)