The contestant must be enrolled at a school not higher than secondary education, in the Philippines, for the majority of the period 1 September to 31 December 2017. Filipino students who are studying abroad may represent the Philippines. Exceptions may be requested by emailing [email protected]. (IOI S2.5)
The contestant must be born on or after July 1, 1998. (IOI N.2.5.2)
The contestant must have registered officially through the registration form.
The contestant must have:
a valid email address
and a valid HackerRank username
This is an individual competition.
Rounds. The competition will be split into two rounds:
Languages. The only programming languages that will be allowed are
Compilation Parameters. Unless otherwise stated, the compilation parameters, time limits and memory limits will follow HackerRank defaults specified on theenvironment page.
Clarifications. Clarifications pertaining to a task must be publicly filed by the contestant via the respective HackerRank discussion forum.
Subtasks. Unless otherwise stated, a task is divided into several subtasks.
Each subtask consists of one or more test files.
A subtask follows additional constraints and simplifying assumptions.
Each subtask is worth a certain number of points.
Subtasks. Unless otherwise stated, answering all test cases and test files of a subtask merits a certain number of points, indicated in the problem statement of each task.
Submission. The score of a contestant for a submission to a task is the sum of the scores obtained for each subtask of the task.
The total score is usually 100.
There are no penalties for incorrect submissions.
Task. The score of a contestant for a task is the score of the highest submission to that task.
Contest. The total score of a contestant for a contest is the sum of the scores over all the tasks.
Ranking. For one contest, participants are ranked based on the following in decreasing order of importance.
Score, the total score of a contestant.
Time penalty, the time the contestant reached that score.
Online Elimination Round
Elimination Round. The elimination round will:
be held online, on HackerRank.
consist of one contest lasting nine to ten days, with the expectation that the contestants will solve the tasks during their free time.
References. Contestants are allowed to use reference materials, physical or digital, that were published before the start of the contest.
Invitation to the Final Round.
Top 30. The top thirty contestants in the elimination round will be invited as official contestants in the final round provided that:
they satisfy all eligibility criteria
they have not been disqualified
they are among the top six contestants from their school
Additional contestants. Depending on the logistical limitations of the venue of the on-site final round, the next-ranked participants may also be invited as observers.
On-Site Final Round
Final Round. The final round will:
be held on-site, still on the HackerRank platform.
consist of two contests, each lasting for five hours.
Official contestants. An official contestant to the final round must:
satisfy all the eligibility requirements
have been invited to the final round
have confirmed to the invitation
have sent a copy of their student ID in response to the invitation on or before the specified deadline
Student ID. Contestants must bring their student ID to the finals site. Failure to do so may result in disqualification.
Contestants may not bring any reference material or digital device during the contest proper.
Contestants are not allowed to access any other website aside from the HackerRank website.
Ranking. For one contest, participants are ranked based on the following in decreasing order of importance:
Total score, the total score of a contestant across all contests in the final round.
Total time penalty, the sum of the time penalties of a contestant across all contests in the final round.
Gold. A gold medal is awarded to the highest-ranked contestant.
Silver. A silver medal is awarded to the second and third contestants.
Bronze. A bronze medal is awarded to the fourth to sixth contestant.
Invitation to the IOI Training Camp.
Top 10. The top contestants in the final round will be invited as official participants ofthe IOI training camp.
Additional contestants. The next-ranked participants may be invited as official participants to the IOI training camp as alternates.
Failure to confirm. Failure to confirm within the amount of time given may result in the forfeiture of the invitation.
IOI Training Camp
Pre-Selection Training Sessions. The first part consists of training sessions and will span several weeks. These sessions may be held online.
In-House Training. The second part of the IOI training camp will be the In-House training. Participants are to stay in-house for the whole duration.
In-House Round. An in-house round will be administered towards the end of the in-house training.
Invitation to the IOI. The scientific committee will hold a meeting to decide which among the official participants of the training camp will be chosen to represent the country at the IOI. Criteria for the decision shall include (but are not limited to):
performance in the NOI.PH Final Round
submissions for the pre-selection training sessions
submissions for the in-house training
the final in-house round
Undermining the legitimacy of the contest. You may be disqualified from any of the contests and training camps if the organizing committee reasonably believes that you have attempted to undermine the legitimate operation of any of the contests including (but not limited to):
providing false information about yourself during registration or concerning your eligibility.
breaching or refusing to comply with the rules.
sharing or using from others any information about a task (including its content or solution) before the end of a round.
displaying behavior considered to be disruptive, unethical, or unsportsmanlike.
Failing to reply. You may be disqualified if you fail to respond to any request for information from the organizing committee related to NOI.PH and/or the IOI within seven days of our request.
Reporting possible cases. You may report to NOI.PH at [email protected] any harassment, cheating, or violation of these terms by another contestant.