TypeDB Forces 2023 (Div. 1 + Div. 2, Rated, Prizes!) Editorial

Revision en9, by rsj, 2023-02-02 05:10:39

1787A - Exponential Equation

Idea & Solution: rsj

Tutorial

1787B - Number Factorization

Idea & Solution: rsj

Tutorial
Solution

1787C - Remove the Bracket

Idea & Solution: rsj

Fact
Tutorial
Solution

1787D - Game on Axis

Idea & Solution: jiangtaizhe001

Tutorial
Solution

1787E - The Harmonization of XOR

Idea & Solution: jiangtaizhe001, rsj

Tutorial
Bonus Problem

1787F - Inverse Transformation

Idea & Solution: qzhwlzy, rsj

Tutorial
Solution

1787G - Colorful Tree Again

Idea & Solution: rsj, 275307894a

Tutorial

1787H - Codeforces Scoreboard

Idea & Solution: jiangtaizhe001, rsj

Something To Say
Tutorial

1787I - Treasure Hunt

Idea & Solution: 275307894a

Tutorial

I'm really sorry for the unsatisfactory problems and the tough 3 hours ;)

However, I still hope you can enjoy the problems after the contest. The editorial hasn't been fully checked, so feel free to comment if there're errors, typos or you have questions about them. We'll check them out tomorrow. Thanks!

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en9 English rsj 2023-02-02 05:10:39 11591 package tutorials
en8 English rsj 2023-02-01 03:23:47 182
en7 English rsj 2023-01-31 06:25:28 37
en6 English qzhwlzy 2023-01-31 06:14:32 9
en5 English rsj 2023-01-31 05:25:32 135 sgt
en4 English rsj 2023-01-31 05:09:55 35
en3 English rsj 2023-01-30 10:01:58 8
en2 English rsj 2023-01-30 06:07:39 4120
en1 English rsj 2023-01-29 21:23:09 12661 Initial revision (published)