Codeforces Round 975 (Div. 1, Div. 2)

#	User	Rating
1	tourist	3985
2	jiangly	3885
3	jqdai0815	3682
4	Benq	3580
5	orzdevinwang	3526
6	ksun48	3506
7	ecnerwala	3505
8	Radewoosh	3457
9	Kevin114514	3377
10	gamegame	3374

#	User	Contrib.
1	cry	170
2	Um_nik	162
3	atcoder_official	161
4	maomao90	158
4	-is-this-fft-	158
6	djm03178	157
7	Dominater069	156
8	adamant	154
9	luogu_official	153
10	awoo	152

Ciao, Codeforces! We're glad to invite you to take part in Codeforces Round 975 (Div. 1) and Codeforces Round 975 (Div. 2), which will start on Sep/27/2024 16:35 (Moscow time). You will be given 6 problems and 2 hours and 30 minutes to solve them in both divisions. Some problems will be divided into subtasks.

UPD: the time has been changed to Sep/27/2024 16:35 (Moscow time), which is different from the time announced before. Please note the unusual starting time.

This round is based on Italian Olympiad in Informatics (OII) 2024.

The problems were authored by lorenzoferrari, wksni and me.

We would like to thank

KAN for his nutella coordination;
bortoz, collodel, dp_1, franfill, francesco, harniver, jamesbamber, Kaey, veluca93, Virv for helping with both this contest and the onsite contest preparation;
Flamire for VIP testing;
Um_nik, EgorUlin, konsteros, MuUJa, bugrova, Ludissey, Nonoze, Sofapuden, Temmie, jeroenodb for testing;
MikeMirzayanov for creating Codeforces and Polygon.

Score distribution:

Div. 1: $$$500 - 750 - 1000 - 1500 - (2250 + 750) - (1500 + 1500 + 1500)$$$
Div. 2: $$$500 - 1000 - 1750 - 2000 - 2250 - 3000$$$

We hope you'll like the problemset!

Rev.	By	When	Δ	Comment
en15	TheScrasse	2024-09-27 20:01:36	1001
en14	TheScrasse	2024-09-27 19:05:18	75
en13	TheScrasse	2024-09-27 15:39:22	9
en12	TheScrasse	2024-09-27 12:24:05	58	Tiny change: '\n- [user:' -> '\n- [user:Alexdat2000] for Russian translation;\n- [user:'
en11	TheScrasse	2024-09-25 19:32:38	60
en10	TheScrasse	2024-09-24 21:01:55	106	Tiny change: 'rent from before. P' -> 'rent from the time announced before. P'
en9	TheScrasse	2024-09-24 13:59:29	15	Tiny change: ' 2 hours to sol' -> ' 2 hours and 30 minutes to sol'
en8	TheScrasse	2024-09-24 11:59:01	9	Tiny change: ' 1500 - (2000 + 1000) - (1500' -> ' 1500 - (2250 + 750) - (1500'
en7	TheScrasse	2024-09-24 10:44:49	80
en6	TheScrasse	2024-09-24 10:23:19	73
en5	TheScrasse	2024-09-23 11:56:10	27	Tiny change: '024-09-23] for test' -> '024-09-23], [user:Flamire] for test'
en4	TheScrasse	2024-09-23 00:38:13	29	Tiny change: '024-09-22] for test' -> '024-09-22], [user:jeroenodb] for test'
en3	TheScrasse	2024-09-22 21:16:16	46	Tiny change: 'sions.\n\nThis r' -> 'sions.\n\nNote the unusual starting time.\n\nThis r'
en2	TheScrasse	2024-09-22 18:21:22	13	Tiny change: ' authored and prepared by [us' -> ' authored by [us'
en1	TheScrasse	2024-09-22 18:18:17	1417	Initial revision (published)

History