CodeTON Round 3 (Div. 1 + Div. 2, Rated, Prizes!)

#	User	Rating
1	tourist	3985
2	jiangly	3814
3	jqdai0815	3682
4	Benq	3529
5	orzdevinwang	3526
6	ksun48	3517
7	Radewoosh	3410
8	hos.lyric	3399
9	ecnerwala	3392
9	Um_nik	3392

#	User	Contrib.
1	cry	169
2	maomao90	162
2	Um_nik	162
4	atcoder_official	161
5	djm03178	158
6	-is-this-fft-	157
7	adamant	155
8	awoo	154
8	Dominater069	154
10	luogu_official	150

Hello, Codeforces! Or, as we like to say in Romania: Nu îmi amintesc să fi adresat întrebări, Codeforces!

I am glad to finally invite you to participate in CodeTON Round 3 (Div. 1 + Div. 2, Rated, Prizes!), which will start on Nov/06/2022 17:35 (Moscow time). You will be given 8 problems and 2 hours and 30 minutes to solve them. It is greatly recommended to read all the problems, statements are short and straight to the point.

I would like to thank:

Artyom123 for prodigious coordination.

AquaMoon, mejiamejia, ugly2333, Ecrade_ for huge help in preparation and authoring one of the tasks.

errorgorn for being a VIP-tester.

Lemur95, Gheal, Perpetually_Purple, Everule, IacobTudor, andrei_boaca, lucri, AlperenT, Kuroni, prabowo, lis05, Alon-Tanay, jeroenodb, Juve45, denis2111, Brodicico, Fanurie, huangzirui, satyam343, tfg, Sugar_fan, SlavicG, Vladithur,KrowSavcik, kevinxiehk, sharkycode,Alan, TimDee, Rhodoks, dannyboy20031204,TomiokapEace, Qingyu, lxlxl, ChthollyNotaSeniorious,PinkieRabbit, jerryliuhkg, valeriu, Chenyu_Qiu, jampm, izlyforever, njupt_lyy, RUSH_D_CAT,azureAmarantine, Erkhemkhuu, wh030115,ak2006, dorijanlendvaj, spookywooky, arvindf232, absi2011, AlexLorintz for testing the round and providing invaluable feedback.

freak93 for morning refreshment.

MikeMirzayanov for great platforms, codeforces and polygon!

Scoring Distribution: 500-750-1250-1750-2250-2500-3250-3500

And here is the information from our title sponsor:

Hello, Codeforces!

We, the TON Foundation team, are pleased to support CodeTON Round 3.

The Open Network (TON) is a fully decentralized layer-1 blockchain designed to onboard billions of users to Web3.

Since July, we have been supporting Codeforces as a title sponsor. This round is another way for us to contribute to the development of the community.

The winners of CodeTON Round 3 will receive valuable prizes.

The first 1,023 participants will receive prizes in TON cryptocurrency:

1st place: 1,024 TON
2–3 places: 512 TON each
4–7 places: 256 TON each
8–15 places: 128 TON each
…
512–1,023 places: 2 TON each

We wish you good luck at CodeTON Round 3 and hope you enjoy the contest!

Rev.	By	When	Δ	Comment
en59	tibinyte2006	2022-11-06 20:51:48	2	Tiny change: 'nners!\n- [user:' -> 'nners!\n\n- [user:'
en58	tibinyte2006	2022-11-06 20:51:40	20
en57	tibinyte2006	2022-11-06 20:51:27	331
en56	tibinyte2006	2022-11-06 20:43:42	44
en55	tibinyte2006	2022-11-06 20:42:39	0	(published)
en54	tibinyte2006	2022-11-06 20:42:30	74	(saved to drafts)
en53	tibinyte2006	2022-11-06 20:31:16	3	Tiny change: 'authoring some of the t' -> 'authoring one of the t'
en52	tibinyte2006	2022-11-06 15:26:07	67	Tiny change: 'com/)!\n\nAnd he' -> 'com/)!\n\nUPD\n\nAnd he'
en51	tibinyte2006	2022-11-06 10:10:40	88	Tiny change: '0-31] for VIP-testing.\n\n\n- [' -> '0-31] for being a VIP-tester.\n\n\n- ['
en50	tibinyte2006	2022-11-05 22:26:40	32	Tiny change: '1], [user:PurpleCrayon,2022-10-31], [user:' -> '1], [user:'
en49	tibinyte2006	2022-11-05 14:17:17	6	Tiny change: 'r:ugly2333,2022-10-31], [user:E' -> 'r:ugly2333], [user:E'
en48	tibinyte2006	2022-11-05 13:48:17	0	(published)
en47	tibinyte2006	2022-11-05 13:47:50	4
en46	tibinyte2006	2022-11-05 13:47:35	21	Tiny change: 'blems and [TBD] hours to solve' -> 'blems and 2 hours and 30 minutes to solve'
en45	Artyom123	2022-11-03 21:55:54	141
en44	tibinyte2006	2022-11-03 21:47:04	139
en43	Artyom123	2022-11-03 21:37:14	45
en42	tibinyte2006	2022-11-03 21:33:55	97
en41	tibinyte2006	2022-11-03 19:52:23	31	Tiny change: '022-11-02] for tes' -> '022-11-02], [user:AlexLorintz] for tes'
en40	tibinyte2006	2022-11-03 12:33:14	1	Tiny change: 'ON Round 3' -> 'ON Round 3!'
en39	tibinyte2006	2022-11-02 13:40:05	16
en38	tibinyte2006	2022-11-02 13:15:53	28	Tiny change: '022-10-31] for te' -> '022-10-31], [user:absi2011] for te'
en37	tibinyte2006	2022-11-01 11:44:06	12	Tiny change: 'authoring tasks.\n\' -> 'authoring some of the tasks.\n\'
en36	tibinyte2006	2022-11-01 11:12:36	23	Tiny change: 'uthoring the first task of this round.\n\n\n- [' -> 'uthoring tasks.\n\n\n- ['
en35	tibinyte2006	2022-11-01 09:20:34	4
en34	tibinyte2006	2022-11-01 09:19:51	927
en33	tibinyte2006	2022-10-31 20:05:15	24
en32	tibinyte2006	2022-10-31 17:45:51	8	Tiny change: '0-31] for gorgeous coordi' -> '0-31] for prodigious coordi'
en31	tibinyte2006	2022-10-31 13:09:39	4	Tiny change: '22-10-31],[user:jamp' -> '22-10-31], [user:jamp'
en30	tibinyte2006	2022-10-31 13:06:56	1	Tiny change: ' platforms [codefo' -> ' platforms, [codefo'
en29	tibinyte2006	2022-10-31 13:01:42	79
en28	tibinyte2006	2022-10-31 12:59:47	10
en27	tibinyte2006	2022-10-31 12:59:25	8
en26	tibinyte2006	2022-10-31 12:58:53	10	Tiny change: 'ordination the round.\n- [user' -> 'ordination.\n- [user'
en25	tibinyte2006	2022-10-31 12:58:13	11	Tiny change: 'Good luck to everyo' -> 'Good luck & have fun to everyo'
en24	tibinyte2006	2022-10-31 12:57:50	8
en23	tibinyte2006	2022-10-31 12:56:38	2	Tiny change: 'pating!__' -> 'pating!_'
en22	tibinyte2006	2022-10-31 12:56:26	11
en21	tibinyte2006	2022-10-31 12:56:01	45	Tiny change: 'd polygon!' -> 'd polygon!\n\nGood luck to everyone participating!'
en20	tibinyte2006	2022-10-31 12:53:16	27	Tiny change: '], [user:Ecrade_,2022-10-31], [user:E' -> '], [user:E'
en19	tibinyte2006	2022-10-31 12:50:55	39
en18	tibinyte2006	2022-10-31 12:48:48	29	Tiny change: '22-10-31], [user:lucaperju,2022-10-31],' -> '22-10-31],'
en17	tibinyte2006	2022-10-31 12:48:14	137	Tiny change: '2-10-31], for test' -> '2-10-31], [user:spookywooky], [user:arvindf232] for test'
en16	tibinyte2006	2022-10-31 12:37:17	225
en15	tibinyte2006	2022-10-31 12:36:25	187	Reverted to en12
en14	tibinyte2006	2022-10-31 12:36:02	117
en13	tibinyte2006	2022-10-31 12:33:28	94
en12	tibinyte2006	2022-10-31 12:27:51	1483
en11	tibinyte2006	2022-10-31 12:04:09	81
en10	tibinyte2006	2022-10-31 11:59:30	12	Tiny change: 'ser:Ecrade] for huge' -> 'ser:Ecrade_] for huge'
en9	tibinyte2006	2022-10-31 11:59:17	164
en8	tibinyte2006	2022-10-31 11:55:11	2	Tiny change: 'o thank:\n- [user:' -> 'o thank:\n\n- [user:'
en7	tibinyte2006	2022-10-31 11:55:02	6
en6	tibinyte2006	2022-10-31 11:54:51	252
en5	tibinyte2006	2022-10-31 11:42:42	2	Tiny change: 'Div. 2) [ add link ],' -> 'Div. 2) [ Add link ],'
en4	tibinyte2006	2022-10-31 11:42:15	13
en3	tibinyte2006	2022-10-31 11:41:41	150
en2	tibinyte2006	2022-10-31 11:38:29	395
en1	tibinyte2006	2022-10-28 21:14:55	31	Initial revision (saved to drafts)

History