The 19th Japanese Olympiad in Informatics Spring Camp Online Contest

Competition time of Day2, 3 and 4 was changed. Due to technical issues, those who participated in Day 1 Round 2 should register again. Also, the results from Day 1 Round 2 are not included in the current ranking.

Sorry for the inconvenience.

Overview

Japanese version is available here.

The 19th Japanese Olympiad in Informatics Spring Camp Online Contest is the online contest of The 19th Japanese Olympiad in Informatics Spring Camp. The contest is open to everybody. Everybody is welcome to attend JOI Open Contest!

The duration of the contest is 5 hours. You can choose start time from specified range freely.**

Registration will be open before each contest. A link to the registration page will appear on this page about 30 minutes before the beginning of the contest. Contestants can register on the contest site by themselves from the right before the beginning of each contest until the end of it.

No prizes will be given to the contestants. We will not publish the source code submitted to this contest without permission from the participants.

Contest Information

Name
The 19th Japanese Olympiad in Informatics Spring Camp Online Contest
Contest System
CMS (customized version)
Contest duration
5 hours per day
The number of tasks
3-4 tasks per day
Language
English, Japanese
Date
March 20, 2020 to March 23, 2020
Time (Round1)
10:00-15:00 +0900 (JST)
01:00-06:00 (UTC/GMT)
It is 60 minutes behind JOI 2020 spring camp onsite contest.
Time (Round2)
16:30-21:30 +0900 (JST) (changed)
07:30-12:30 (UTC/GMT) (changed)
(Tasks for Round 1 and Round 2 are the same.)
Time
10:00-21:30 +0900 (JST)
01:00-12:30 (UTC/GMT)
You can choose start time from above freely.
Duration is 5 hours.
However, if you start competing after 16:30, competition ends at 21:30 and duration is less than 5 hours.

Rule

Rules that are same as JOI 2020 Spring Camp Rule:

Rules that are not same as JOI 2020 Rule:

Contest Site

Tasks and Test Data

Tasks and test data are available after the contest.