Hello, Codeforces!

Codeforces Round #483 will take place on May/15/2018 17:45 (Moscow time). The round will be rated for both divisions.

Problems were prepared by FalseMirror, KAN and me.

Many thanks to testers qoo2p5, manoprenko, AlexFetisov, winger, cyand1317 and ashmelev.

Also thanks to MikeMirzayanov for Codeforces and Polygon and ifsmirnov for jngen.

Upd. The scoring distribution is 500-1000-1500-2000-2500 for div2 and 500-1000-1500- 2250 -2500 for div1.

Congratulations to the winners!

div1:

1. fateice
2. skuecrk
3. Egor
4. dotorya
5. LHiC

div2:

1. wevetriedly
2. mraron
3. dummyies
4. fengsuiyan
5. K.F.Cat

Editorial

Massive thank you to all who partisipated. It's really important for me. If you still have questions after reading editorial, feel free to write me using codeforces/vk/gmail.

877A - Alex and broken contest

877B - Nikita and string

877C - Slava and tanks

877D - Olya and Energy Drinks

877E - Danil and a Part-time Job

877F - Ann and Books

Hi, Codeforces!

On monday, October 23rd, at 18:35 MSK rated Div. 2 round will be held. Participants from first division can take part out of competition.

The problems for this round were prepared by me. Thanks to Daniil (qoo2p5) Nikolenko, Nikita (FalseMirror) Bosov, Alexander (Alladdin) Proskurin, AmirReza (Arpa) PoorAkhavan, Ildar (300iq) Gainullin, Alexey (ashmelev) Shmelev for help in preparations and testing problems, Ann Izyumova for help with translation, Nikolay (KAN) Kalinin for the round coordination and Mike (MikeMirzayanov) Mirzayanov for amazing platforms Codeforces and Polygon.

You will have 2 hours for 6 problems.

Hope you will enjoy problems! Good luck!

Upd1: Editorial

Upd2: Congratulation to winners!

Div1

1. Farhod
2. vintage_Vlad_Makeev
3. KrK
4. rajat1603
5. chemthan
6. Barichek

Div2

1. wzp666
2. isybuq154
3. SORONGON
4. Sheng_D_Bao
5. wxh010910