Hello everyone!

Thank you for your patience and we are sorry to have kept you waiting for a while.

We are excited to announce that the long-awaited contest has finally started now.

The period of submission for problem A is from November 13th, 2021 to January 31st, 2022. Problem B starts on December 4th.

Also, we are pleased to inform you that the test case and the toolkit including English version of the README (full version) for problem A have just been released.

Please check the following website and we look forward to your participation:

• Hitachi Hokudai Lab. and Hokkaido University Contest 2021