Codeforces Round #564 Editorial

Revision en15, by ouuan, 2019-06-08 09:17:29

1173A - Nauuo and Votes

Idea: ouuan

Tutorial
Solution

1173B - Nauuo and Chess

Idea: Sulfox

Tutorial
Solution

1172A - Nauuo and Cards

Idea: QAQAutoMaton

Tutorial
Solution

1172B - Nauuo and Circle

Idea: Sulfox

Tutorial
Solution

1172C1 - Nauuo and Pictures (easy version) and 1172C2 - Nauuo and Pictures (hard version)

Idea: ouuan

Tutorial
Solution

1172D - Nauuo and Portals

Idea: Sulfox

Tutorial
Solution

1172E - Nauuo and ODT

Idea: ODT

Tutorial
Solution

1172F - Nauuo and Bug

Idea: rushcheyo

The tutorial will be ready soon. The basic idea is to maintain a piecewise function using the segment tree.

Solution

We had prepared a problem similar to 1174F - Ehab and the Big Finale before that round, so we needed to prepare new problems in four days. It was in such a hurry that there are some imperfections in our round. Please accept our sincere apology.

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en16 English ouuan 2019-06-09 03:37:37 1250
en15 English ouuan 2019-06-08 09:17:29 2
en14 English ouuan 2019-06-08 07:55:17 12
en13 English ouuan 2019-06-08 05:04:17 13
en12 English ouuan 2019-06-08 05:00:19 38
en11 English ouuan 2019-06-08 02:59:14 1
en10 English ouuan 2019-06-08 02:29:17 2
en9 English ouuan 2019-06-08 02:28:27 2
en8 English ouuan 2019-06-07 19:52:38 7 (published)
en7 English ouuan 2019-06-07 19:51:58 25
en6 English ouuan 2019-06-07 19:51:04 204
en5 English ouuan 2019-06-07 19:44:21 12
en4 English ouuan 2019-06-07 19:41:57 5
en3 English ouuan 2019-06-07 19:40:55 5
en2 English ouuan 2019-06-07 19:40:09 10
en1 English ouuan 2019-06-07 19:37:45 19150 Initial revision (saved to drafts)