JOI Open Contest 2020 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 2020!
This year, the contest will be held on Sunday, September 6, 2020.
There will be 3 tasks. Each submitted source program must be written
in C++ (C++14).
Problem statements will be provided both in Japanese and English.
The duration of the contest is 5 hours. The contest server will be
open during Sunday, September 6, 2020 04:00 - Monday, September 7, 2020
04:00 (UTC/GMT). Contestants can choose start time from above freely.
After the contest finishes, we will open the judging server for one week.
Interested contestants can improve and resubmit their solutions
After the contest finishes, we will fix the standings.
No prizes will be given to the contestants.
Contest duration: 5 hours
The number of tasks: 3 tasks
Language: English, Japanese
Programming Language: C++ (C++14)
Details will be announced on the contest website.
Date & Time:
Sunday, September 6, 2020 13:00 - Monday, September 7, 2020 13:00 +
Sunday, September 6, 2020 04:00 - Monday, September 7, 2020 04:00 (UTC
Judging Server is open until
Monday, September 14, 2020
13:00 +0900 (JST)
Executive director of the Japanese Committee for the IOI
Chairperson of the Scientific Committee of JCIOI