Codeforces Round #554 (Div. 2)
Difference between en14 and en15, changed 5 character(s)

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*(He last walked the Earth in round [538]( btw.)*↵

Hello Codeforces!↵

We are here to invite you to Codeforces Round #554 (Div. 2), which will take place at [contest_time:1152].↵

The round will be rated for all Division 2 participants **(with rating less than 2100)**, yet any Division 1 participants are welcome to join us out of competition.↵

The round will be cat themed. Raise your paws and prepare your catnips!↵

*(Or even cat memes, while you're at it).*↵

You will be given **6+1** problems ( **6** problems, one of them has **2** subtasks ) to solve in **2 hours.** The round's problems were prepared by Xuan-Quang ~xuanquang1999,2019-04-23 D. Nguyen, Duy-Bach ~Akikaze,2019-04-23 Le, Stefan ~stefdasca,2019-04-23 Dascalescu, Quang-Minh ~MofK,2019-04-23 D. Nguyen and our dear Codeforces coordinator Dmitry ~_kun_,2019-04-23 Sayutin.↵

*Gladly (or sadly), no interactive problem tonight!*↵

Also, the tribute should be given to everyone within the team — we all make it possible:↵

- Andrew ~GreenGrape,2019-04-23 Rayskiy for various problem suggestions **and the infamous OMEGALULRIP influence.** ;)↵
- Xuan-Tung ~neko_nyaa,2019-04-23 Nguyen for testing the rounds and various suggestions in the core theme idea. Nya~.↵

Last but not least, I want to give a huge appreciation to ~MikeMirzayanov,2019-04-22 for the awesome Codeforces and Polygon platform, which makes this contest possible.↵

P/s: I will be at the [Discord CP Community]( to discuss the problems after the coding phase. However, please follow the rules and don't discuss the problems during the contest by any means.↵

*Wish everyone good luck and high rating!*↵

P/s(2): Commies united!↵

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P/s(3): A dear thank-you to Grigory ~gritukan,2019-04-23 Reznikov for the last-minute complete testing as well! ;)↵

**UPD1a:** Another comrade, Quang-Minh ~MofK,2019-04-23 D. Nguyen joined the fun! Kudos for the problem suggestion! ;)↵

**UPD1b:** The problemset contains **6+1** problems ( **6** problems, one of them has **2** subtasks ).↵

**UPD2:** Score distribution: **500-1000-1500-2000-2000-(2250+750)**.↵

**UPD3:** Editorial will be available tomorrow. Sorry for the waiting, we have quite a lot of things to polish. ;)↵

**UPD4:** The contest is finished. I hope that you're satisfied. And here come our winners ;)↵

**Official participants:**↵

1. [user:hamzzq,2019-04-24]↵
2. [user:davidHernandes,2019-04-24]↵
3. [user:oiyoayao,2019-04-24]↵
4. [user:It5t,2019-04-24]↵
5. [user:OnionGod,2019-04-24]↵
6. [user:IPL,2019-04-24]↵
7. [user:memset_inf,2019-04-24]↵
8. [user:dsgsjk,2019-04-24]↵
9. [user:FluffyT,2019-04-24] (the only official participants solved F1+F2, too bad he didn't solve E :<)↵
10. [user:_wxw_,2019-04-24]↵

**Div.1 + Div.2 participants:**↵

1. [user:dreamoon_love_AA,2019-04-24] (solved all problems!)↵
2. [user:pwild,2019-04-24]↵
3. [user:Heltion,2019-04-24]↵
4. [user:hamzzq,2019-04-24]↵
5. [user:natsugiri,2019-04-24]↵
6. [user:kmjp,2019-04-24]↵
7. [user:davidHernandes,2019-04-24]↵
7. [user:JeffreyHo,2019-04-24]↵
9. [user:betrue12,2019-04-24]↵
10. [user:KrK,2019-04-24]↵

**UPD5:** [Editorial blog post is available.](


  Rev. Lang. By When Δ Comment
en16 English Akikaze 2019-04-25 11:36:59 1 Tiny change: ', too bad he didn't ' -> ', too bad she didn't '
en15 English Akikaze 2019-04-24 22:24:07 5 Tiny change: 'log/entry/edit/66696)' -> 'log/entry/66696)'
en14 English Akikaze 2019-04-24 22:21:38 95
en13 English Akikaze 2019-04-24 20:53:40 9 Tiny change: ', too bad not solved E :<)\n10' -> ', too bad he didn't solve E :<)\n10'
en12 English Akikaze 2019-04-24 20:50:28 874
en11 English Akikaze 2019-04-24 19:33:44 118
en10 English Akikaze 2019-04-24 17:32:17 73
en9 English Akikaze 2019-04-23 23:13:18 321
en8 English Akikaze 2019-04-23 21:59:51 36
en7 English Akikaze 2019-04-23 11:06:06 0 (published)
en6 English Akikaze 2019-04-23 11:04:00 118 (saved to drafts)
en5 English Akikaze 2019-04-22 20:33:52 107 COMMIES UNITED!
en4 English Akikaze 2019-04-22 19:51:18 218 (published)
en3 English Akikaze 2019-04-21 05:26:42 141 Tiny change: 'lems were initially prepared ' -> 'lems were prepared '
en2 English Akikaze 2019-04-20 19:45:51 184 Tiny change: 'heme idea.\n\nP/s: ' -> 'heme idea. Nya~.\n\nP/s: '
en1 English Akikaze 2019-04-17 19:42:30 1775 Initial revision (saved to drafts)