Codeforces Round #485 (div.1+div.2)

Правка en7, от Um_nik, 2018-05-29 17:45:55

Hello!

I'm glad to invite you all to Round 485 which will take place on Tuesday, May 29 at 18:35 UTC+3.

There will be 6 problems in each division, 3 of them are shared between divisions. 2 of div.2 problems created by KAN, 7 others created by me. The contest duration is 2 hours. My problems were originally used in HSE Championship.

I would like to thank Merkurev and GlebsHP with whom I discussed the problems, I_love_Tanya_Romanova for testing, KAN for round coordination and Codeforces and Polygon team for these beautiful platforms. I would also like to thank HSE for organizing the event. Oh, and kb. for writing great legend for one of the problems (he will be surprised).

For those who for some reason like to know score distribution in advance:
div.2: 500 — 1000 — 1250 — 1750 — 2250 — 3000
div.1: 500 — 1000 — 1750 — 2500 — 2750 — 3000
But I didn't properly discuss it with KAN so this is subject to change :)
UPD: Discussed with KAN, scores for C and D in div.2 increased by 250.

Good fun, have problems, read all the luck. As usual.

Oh, and if there will be no bad things, round will be rated. I hope.

Теги round

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  Rev. Язык Кто Когда Δ Комментарий
en9 Английский Um_nik 2018-05-30 17:05:47 61
en8 Английский Um_nik 2018-05-30 00:50:45 975
en7 Английский Um_nik 2018-05-29 17:45:55 98 Tiny change: 'change :) . \nUPD: Di' -> 'change :) \nUPD: Di'
en6 Английский Um_nik 2018-05-29 01:00:59 1 Tiny change: 'ly discusse it with [' -> 'ly discuss it with ['
en5 Английский Um_nik 2018-05-29 00:12:52 1 Tiny change: 'y discussed it with [' -> 'y discusse it with ['
en4 Английский Um_nik 2018-05-28 17:22:02 72
en3 Английский Um_nik 2018-05-28 17:20:54 17 (published)
en2 Английский Um_nik 2018-05-28 17:02:38 112
en1 Английский Um_nik 2018-05-28 16:52:45 1222 Initial revision (saved to drafts)