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

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 to solve them in both divisions. Some problems will be divided into subtasks.

Please note the unusual starting time.

The problems were authored by lorenzoferrari, wksni and me.

We would like to thank

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

Score distribution:

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)