Barichek's blog

By Barichek, history, 5 years ago, translation, In English

Hello everyone!

Codeforces Round #407 for both divisions will happen on Mar/29/2017 19:05 MSK.

The problems were prepared by me (Ihor Barenblat), Stanislav giraffeh Tomash and Anton arsijo Tsypko. Great thanks to Ivan Fekete Fekete, Adalbert Adalbert Makarovych, Roman RomanDerkach Derkach, Vladislav winger Isenbaev and Alex AlexFetisov Fetisov for testing the round, Nikolay KAN Kalinin for his help with the round preparation and Mike MikeMirzayanov Mirzayanov for the Codeforces and Polygon systems.

As usual, contestants will have 2 hours to solve 5 problems. Scoring will be announced closer before the round.

Hope that everyone will find interesting problems. Good luck!

Scoring distribution:

Div2: 500-1000-1500-2250-2500

Div1: 500-1250-1500-2000-2250

UPD. Editorial is published.

Congratulations to winners:


  1. -XraY-

  2. Um_nik

  3. Retired_MiFaFaOvO

  4. YuukaKazami

  5. Syloviaely


  1. KacaMG00


  3. __W__

  4. GoogleBot

  5. shas20

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