Invitation to TheForces Round #12 (Double-Forces) [New Round] [GYM]

Hello, Codeforces!

What is TheForces Round?

Editorial is out.

You will have 150 minutes to solve 6 problems.Two of the problems are divided into two subtasks respectively.

We strongly recommend you to read all statements.

All problems were prepared and authored by wuhudsm.
We would like to thank our army of testers: Little_Sheep_Yawn, blxst, O--O, BallBreaker, ExpensiveAC, vikram108, EndlessDreams.
Also we want to thank you for participating in our round.

Note the duration is 2.5h and strongly recommend reading all problems once.

Discord Server (600+ people)

Rev.	By	When	Δ	Comment
en10	O--O	2023-05-02 08:27:56	1	Tiny change: 'odeforces!!\n\nWe ar' -> 'odeforces!\n\nWe ar'
en9	O--O	2023-04-29 12:33:21	75
en8	wuhudsm	2023-04-28 20:55:09	65
en7	wuhudsm	2023-04-28 15:59:39	333
en6	wuhudsm	2023-04-28 12:08:49	33	Tiny change: '9]\n\nPl' -> '9]\n\nRegistration is open now.\n\nPl'
en5	wuhudsm	2023-04-27 19:52:31	0	(published)
en4	wuhudsm	2023-04-27 14:46:14	20	Tiny change: 'ound #12 (Pair-Forces)' -> 'ound #12 (Double-Forces)'
en3	wuhudsm	2023-04-27 14:43:36	116
en2	O--O	2023-04-27 14:41:15	2	Tiny change: 'o solve *8 problems' -> 'o solve *6 problems'
en1	O--O	2023-04-27 14:39:21	1016	Initial revision (saved to drafts)