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NCPC 2013

Saturday 5th October 11:00-16:00 CEST

Information
Participating sites
Rules

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Information

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The contest was held 5th October 11:00-16:00 CEST. The winner was Omogen Heap from Stockholm, Sweden, who solved 9 out of 11 problems with the best. Congratulations!

Final standings
Problem set [PDF].
Slides describing solutions [PDF].
Judges' input and output [tar.bz2].
Judges' solutions [tar.bz2].
Packaged problems including testdata, solutions, wrong solutions, output validators, input generators, etc.
All material are copyright 2013 by the NCPC 2013 jury. They are licensed under the Creative Commons BY-SA v3.0 license.
The list of registered teams.
The list of registered contestants.

The winners will be Nordic Champions in programming. Universities may select student teams to go to NWERC, the regional finals in the ICPC contest. NCPC also encompasses national and local championships.

Join NCPC on Facebook and spread the word to your friends and colleagues!

There will be two warmup contests at https://warmup.kattis.com to help you practice. The first is Saturday September 28th 11:00-16:00 CEST. The second starts Saturday evening and continues until Friday October 4th.

There will be a public contest using the same problems as NCPC at https://kattis.com. That contest starts at 11.30 CEST, i.e. with a 30 minute delay compared to NCPC.

NCPC will use the Kattis automatic judging system provided by Scrool. Every team will get a new account on the day of the competition.

Organisers should review the NCPC-Site-HOWTO.

NCPC subregional manager:	Roy Andersson (Lund University)
NCPC director:	Fredrik Heintz (Linköpings universitet)
Head of Jury:	Lukáš Poláček (KTH)
Technical Director:	Gunnar Kreitz (KTH)

Participating sites

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Below is a list of sites that will hopefully join NCPC in 2013. (+ marks verified sites.) Follow the links to get local information such as when and where to meet.

	Denmark	Organiser
+	DM I Programmering - København	Mette Hagenborg Eskesen `<mhe netcompany.com>`
+	DM I Programmering - Aarhus	Jesper Sindahl Nielsen `<jasn cs.au.dk>`
	Aalborg University	No organiser. Help us find one!
	Finland
+	Aalto University	Teemu Sirkiä `<teemu.sirkia aalto.fi>`
+	University of Helsinki	Antti Laaksonen `<ahslaaks cs.helsinki.fi>`
+	University of Tampere	Heikki Hyyro `<Heikki.Hyyro uta.fi>`
+	Lappeenranta University of Technology	Sami Virolainen `<sami.virolainen lut.fi>`
	Iceland
+	Háskólakeppnin í forritun - Reykjavik University	Hjalti Magnússon `<hjaltmann gmail.com >`
	Norway	Faculty Advisor: Magnus Lie Hetland`<mlh idi.ntnu.no>`
+	NTNU	Christian Chavez `<chrischa stud.ntnu.no>`
+	University of Bergen	Pål Grønås Drange `<Pal.Drange ii.uib.no>`
+	University of Oslo	Jing Kjeldsen `<jingt math.uio.no>`
+	Høgskolan i Gjøvik	Jan William Johnsen `<login hig.no>`
	Sweden	National coordinator: Fredrik Heintz`<fredrik.heintz liu.se>`
+	Chalmers	Oscar Söderlund `<poscar spotify.com>`
+	Karlstad University	Stefan Alfredsson `<Stefan.Alfredsson kau.se>`
+	Linköpings universitet	Fredrik Heintz `<fredrik.heintz liu.se>`
+	Luleå Institute of Technology	Louise Sehlstedt `<louseh-2 student.ltu.se>`
+	Lund University	Roy Andersson `<roy.andersson cs.lth.se>`
+	KTH - Royal Institute of Technology	Lukáš Poláček `<polacek csc.kth.se>`
+	Umeå University	Tomas Forsman `<stric cs.umu.se>`
+	Uppsala University	Lars-Åke Nordén `<lln it.uu.se>`

Rules

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In short: Teams of up to three persons try to solve as many problems as possible from a set, without external help.

The rules for this contest is given by the ICPC regional contest rules, with the following clarifications and additions:

Who may compete

The teams competing consist of up to three persons. The competition is open to everybody, as long as they belong to some Nordic entity in some sense (all belong a given university or company, or all just come from the same country).

ICPC eligibility

Only ICPC eligible student teams compete in the ICPC division. These may qualify for the regional finals (NWERC), and further to the ICPC World Finals. Basically, any student who started his/her university/college studies in 2009 or later is eligible to compete. For exceptions such as retaken years, military service and so on, please refer to the ICPC rules. Persons who have competed in five regional finals already, or two world finals, may not compete in the ICPC division.

What you may bring to the contest floor

Any written material (Books, manuals, handwritten notes, printed notes, etc).
Pens, pencils, blank paper, stapler and other useful non-electronic office equipment.
NO material in electronic form (CDs, USB pen and so on).
NO electronic devices (Cellular phone, PDA and so on).

What you may use during the contest

What you brought to the contest floor (see above).
Your assigned (single) computer.
The specified system for submitting solutions.
Printers designated by the organiser.
Things given to you by the contest organiser.
Electronic content specified by the organiser, such as language APIs and compiler manuals.
Compilers and IDEs specified by the organiser.
Non-programmable tools which are a natural part of the working environment (such as diff and less).
NO other compilers or interpreters for programming languages.

Behaviour during the contest

Before the contest begins, you are allowed to log in on your assigned computer, and log in on the submission system. You may do nothing else with the computer (such as starting to write code). You may not touch the problem set before the contest has started.

Contestants are only allowed to communicate with members of their own team, and the organisers of the contest. You may not surf the web (except for allowed content), read e-mail, chat on MSN, or similar things. The only network traffic you may generate is from submitting problem solutions, and access to content specified by the local organisers.

The contest

The problem set consists of a number of problems (usually 8-12). The problem set will be in English, and given to the participating teams when the contest begins. For each of these problems, you are to write a program in C, C++, C#, Go, Java, Object-C or Python that reads from standard input (stdin) and writes to standard output (stdout), unless otherwise stated. After you have written a solution, you may submit it using the specified submission system.

The team that solves the most problems correctly wins. If two teams solve the same number of problems, the one with the lowest total time wins. If two top teams end up with the same number of problems solved and the same total time, then the team with the lowest time on a single problem is ranked higher. If two teams solve the same number of problems, with the same total time, and the same time on all problems, it is a draw. The time for a given problem is the time from the beginning of the contest to the time when the first correct solution was submitted, plus 20 minutes for each incorrect submission of that problem. The total time is the sum of the times for all solved problems, meaning you will not get extra time for a problem you never submit a correct solution to.

If you feel that problem definition is ambiguous, you may submit a clarification request via the submission system. If the judges think there is no ambiguity, you will get a short answer stating this. Otherwise, the judges will write a clarification, that will be sent to all teams at all sites in the contest.

Updated: 2013-08-07 (h c)
Responsible editor: Fredrik Heintz