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JOI Open Contest 2017 is an IOI-like open competition for students at schools for secondary education. The main purpose of this contest is to give Japanese delegations and candidates of delegations an opportunity for training and practice. But the contest itself is open to everybody.

Everybody is welcome to attend JOI Open Contest 2017!

This year, the contest will be held on 2 July 2017.

The duration of the contest is 5 hours. The same contests will be held twice (Round 1 and Round 2). Contestants can participate in one of Round 1 or Round 2 according to their time zone. After Round 2 finishes, we will open the judging server for one day. Interested contestants can improve and resubmit their solutions by themselves

After the contest finishes, we will fix the standings.

No prizes will be given to the contestants.

Contest website: http://cms.ioi-jp.org/open-2017/index.html

Contest duration: 5 hours

The number of tasks: 3 tasks

Language: English, Japanese

Programming Language : C++ (C++14)