Hello everyone!

JOI Open Contest 2017 will be held on July 2. (04:00-09:00 GMT) and July 2. (10:00-15:00 GMT) .The tasks for Round 1 and Round 2 are the same. So you can choose the round you will participate in.

The main purpose of this contest is to give an opportunity to Japanese delegations and candidates of delegations for training and practice for IOI. But the contest itself is open to everybody. Everybody is welcome to attend JOI Open Contest 2017!

The contest duration is 5 hours and there will be 3 problems. Problem statements will be provided both in Japanese and English.

Details are available in contest information .

The past contest information is available in JOI Website .

Good luck and have fun!

UPD: The round1 will start in 90 minutes. The contest site and registration form will be announced 30 minutes before the contest.