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---
layout: old_default
title: "Nordic Collegiate Programming Contest 2017"
---
<table width="100%">
<tr>
<td class="imgcell" style="width: 33%">
<a href="http://www.ibm.com/">
<img src="../gfx/ibm.jpg" alt="IBM logo" />
</a>
</td>
<td class="imgcell" style="width: 33%">
<a href="http://www.netcompany.com/">
<img src="../gfx/netcompany.png" alt="Netcompany logo" width="200" />
</a>
</td>
<td class="imgcell" style="width: 33%">
<a href="http://www.sectra.com/jobs">
<img src="../gfx/sectra.jpg" alt="Sectra logo" width="250" />
</a>
</td>
</tr>
<tr>
<td class="sponcell">
ICPC main sponsor worldwide
</td>
<td class="sponcell">
Danish, NTNU and LTH sponsor
</td>
<td class="sponcell">
Linköping sponsor
</td>
</tr>
<tr>
<td class="imgcell">
<a href="http://www.ericsson.com">
<img src="../gfx/ericsson.gif" alt="Ericsson logo" />
</a>
</td>
<td class="imgcell">
<a href="http://www.idainfront.se">
<img src="../gfx/idainfront.jpg" alt="ida infront logo" width="250" />
</a>
</td>
<td class="imgcell">
<a href="http://www.operasoftware.com/">
<img src="../gfx/opera_logo.png" alt="Opera Software logo" width="250" />
</a>
</td>
</tr>
<tr>
<td class="sponcell">
Linköping sponsor
</td>
<td class="sponcell">
Linköping sponsor
</td>
<td class="sponcell">
Gothenburg and Linköping sponsor
</td>
</tr>
<tr>
<td class="imgcell">
<a href="http://www.flatfrog.com/">
<img src="../gfx/flatfrog.jpg" alt="Flatfrog logo" width="140" />
</a>
</td>
<td class="imgcell">
<a href="http://www.apptus.se/">
<img src="../gfx/apptus.png" alt="Apptus logo" />
</a>
</td>
<td class="imgcell">
<a href="http://www.arm.com/">
<img src="../gfx/arm.gif" alt="ARM logo" style="width:120px" />
</a>
</td>
</tr>
<tr>
<td class="sponcell">
LTH sponsor
</td>
<td class="sponcell">
LTH sponsor
</td>
<td class="sponcell">
LTH sponsor
</td>
</tr>
<tr>
<td class="imgcell">
<a href="http://www.bekk.no">
<img src="../gfx/bekk.jpg" alt="Bekk logo" width="200" />
</a>
</td>
<td class="imgcell">
<a href="https://www.cognite.com/">
<img src="../gfx/cognite.png" alt="Cognite logo" width="200" />
</a>
</td>
<td class="imgcell">
<a href="https://www.yahoo.com/">
<img src="../gfx/yahoo.png" alt="Yahoo logo" width="250" />
</a>
</td>
</tr>
<tr>
<td class="sponcell">
NTNU sponsor
</td>
<td class="sponcell">
NTNU sponsor
</td>
<td class="sponcell">
NTNU sponsor
</td>
</tr>
<tr>
<td class="imgcell">
<a href="Telenor Capture">
<img src="../gfx/telenor-capture.png" alt="Telenor Capture logo" style="width:180px" />
</a>
</td>
<td class="imgcell">
<a href="http://www.acino.se/">
<img src="../gfx/acino.png" alt="Acino logo" style="width:220px" />
</a>
</td>
<td class="imgcell">
<a href="http://cinnober.com/">
<img src="../gfx/cinnober.png" alt="Cinnober logo" style="width:220px" />
</a>
</td>
</tr>
<tr>
<td class="sponcell">
NTNU sponsor
</td>
<td class="sponcell">
Umeå sponsor
</td>
<td class="sponcell">
Umeå sponsor
</td>
</tr>
<tr>
<td class="imgcell">
<a href="http://www.codemill.se">
<img src="../gfx/codemill2014.png" alt="Codemill logo" style="width:200px" />
</a>
</td>
<td class="imgcell">
<a href="http://www.coldwood.com">
<img src="../gfx/coldwood.png" alt="Dohi logo" style="width:150px" />
</a>
</td>
<td class="imgcell">
<a href="http://omegapoint.se/">
<img src="../gfx/omega-point.png" alt="Omega Point logo" width="250" />
</a>
</td>
</tr>
<tr>
<td class="sponcell">
Umeå sponsor
</td>
<td class="sponcell">
Umeå sponsor
</td>
<td class="sponcell">
Umeå sponsor
</td>
</tr>
<tr>
<td class="imgcell">
<a href="http://www.sogeti.se/">
<img src="../gfx/sogeti.png" alt="Sogeti logo" width="250" />
</a>
</td>
<td class="imgcell">
</td>
<td class="imgcell">
</td>
</tr>
<tr>
<td class="sponcell">
Karlstad sponsor
</td>
<td class="sponcell">
</td>
<td class="sponcell">
</td>
</tr>
</table>
<h1>NCPC 2017</h1>
<h2>Saturday 7th October 11:00-16:00 CEST</h2>
<br />
<table width="100%">
<tr>
<td>
<a href="#info">Information</a><br />
<a href="#sites">Participating sites</a><br />
<a href="#rules">Rules</a><br />
<br />
<a href="../">Back to main NCPC page</a><br />
</td>
<td style="text-align: center">
<i>a part of</i><br />
<img alt="ICPC logo" src="../gfx/acm-icpc-logo.gif" />
</td>
</tr>
</table>
<table class="head"><tr><td>
<a name="info" />
<h3>Information</h3>
</td><td style="text-align:right; vertical-align: middle">
<a href="">top</a>
</td></tr></table>
<!--
<p>
NCPC 2017 will be held Saturday 7th October 11:00-16:00 CEST. NCPC
is a distributed contest with many sites throughout the Nordic
countries. Local information for each site such as when and where
you should meet will be available by following the links associated
with each site below.
</p>
-->
<p>
The contest was held October 7th, 11:00-16:00 CEST. The winner
was <i>·:·Flöätïng·Pöïnts·:· </i> from Norwegian University of Science and Technology (NTNU), who solved 9 out of 11 problems. Congratulations!
</p>
<ul>
<li><a href="http://ncpc17.kattis.com/standings">Final results</a></li>
<li>Problem set
[<a href="https://github.com/icpc/ncpc-web/releases/download/ncpc2017-data/ncpc2017problems.pdf">PDF</a>].</li>
<li>Slides describing solutions
[<a href="https://github.com/icpc/ncpc-web/releases/download/ncpc2017-data/ncpc17slides.pdf">PDF</a>].</li>
<li>Judges' input and output
[<a href="https://github.com/icpc/ncpc-web/releases/download/ncpc2017-data/ncpc2017-testdata.tar.bz2">tar.bz2</a> (104 MB)]. For some problems a .desc file describes an input.</li>
<li>Judges' solutions
[<a href="https://github.com/icpc/ncpc-web/releases/download/ncpc2017-data/ncpc2017-solutions.tar.bz2">tar.bz2</a>]. </li>
<li><a href="https://github.com/icpc/ncpc-web/releases/download/ncpc2017-data/ncpc2017-packages.tar.bz2">Packaged problems</a> (114 MB) including testdata, solutions, wrong solutions, output validators, input generators, problem statement sources, etc.</li>
<li>All material are copyright 2017 by the NCPC 2017 jury. They are licensed under the <a href="http://creativecommons.org/licenses/by-sa/3.0/">Creative Commons BY-SA v3.0</a> license.</li>
<li>
The list of <a href="http://icpc.baylor.edu/regionals/finder/nordic-2017/teams">registered teams</a>.
</li>
</ul>
<!--
<p>
<ul>
<li>The <a href="reg.html">registration</a> is open until Thursday October 5th at 18:00 CEST.</li>
<li>The <a href="reg.html">registration</a> is now closed. Your local organizer might still accept new teams, contact them to find out.</li>
<li>The list of <a href="http://icpc.baylor.edu/regionals/finder/nordic-2017/teams">registered teams</a>.</li>
</ul>
</p>
-->
<p>
The winners will be Nordic Champions in programming. Universities
may select student teams to go
to <a href="http://nwerc.eu">NWERC</a>, the regional finals in
the <a href="http://icpc.baylor.edu">ICPC</a> contest. NCPC also encompasses national and local championships.
</p>
<p>
<a href="https://www.facebook.com/groups/153631727994840/">Join
NCPC on Facebook</a> and spread the word to your friends and
colleagues!
</p>
<p>
There will be <b>three warmup contests</b>
at <a href="https://kthtraining.kattis.com">https://kthtraining.kattis.com</a>
to help you practice:
<ul>
<li>Saturday September 23, 11:00-16:00 CEST</li>
<li>Saturday September 30, 11.00-16.00 CEST</li>
<li>Sunday, October 1, 11:00-16:00 CEST </li>
</ul>
</p>
<!--
<p>
To practice on the available problems go
to <a href="https://ncpc12.contest.scrool.se/">Kattis</a>. If you have
a personal Kattis account then you can use it, otherwise you can
register <a href="https://ncpc12.contest.scrool.se/register">here</a>
(or in the menu, "Log In" and then "Register account"). To show up on
the standings page, you must also go to
the <a href="https://ncpc12.contest.scrool.se/standings/">standings
page</a> (linked from the menu) and pick a team name ("Join the fun?"
below the scoreboard).
</p>
-->
<p>
There will be a <b>public contest</b> using the same problems as
NCPC at <a href="https://open.kattis.com/contests/ncpc2017open">https://open.kattis.com/contests/ncpc2017open</a>.
The contest starts at 11.00 CEST, i.e. at the same time as NCPC.
</p>
<p>
NCPC will use the Kattis automatic judging system provided
by <a href="http://kattis.com/">Kattis</a>. Every team will get a new
account on the day of the competition.
</p>
<ul>
<li><a href="https://open.kattis.com/help">Instructions for the Kattis contest system</a>.</li>
<li>For a short tutorial on how to use it, go to one of the language-specific help pages available from the previous link.</li>
</ul>
<p>
Organisers should review the
<a href="../NCPC-Site-HOWTO.html">NCPC-Site-HOWTO</a>.
</p>
<table>
<tr><td>NCPC subregional manager:</td>
<td>Roy Andersson (Lund University)</td></tr>
<tr><td>NCPC director:</td>
<td>You?</td></tr>
<tr><td>Head of Jury:</td>
<td>Per Austrin (KTH Royal Institute of Technology)<td></tr>
<tr><td>Technical Director:</td>
<td>Pehr Söderman (Kattis)</td></tr>
</table>
<table class="head"><tr><td>
<a name="sites" />
<h2>Participating sites</h2>
</td><td style="text-align:right; vertical-align: middle">
<a href="">top</a>
</td></tr></table>
<p>
Below is a list of sites that will hopefully join NCPC in 2017. (+ marks
verified sites.) Follow the links to get local information such as when and where to meet.
</p>
<table>
<tr>
<th></th>
<th>Denmark</th>
<th>Organiser</th>
</tr>
<tr>
<td>+</td>
<td><a href="http://www.netcompany.dk/dm">DM i programmering - København</a></td>
<td>Søren Fogt Lundbo
<code><sfl netcompany.com></code></td>
</tr>
<tr>
<td>+</td>
<td><a href="http://www.netcompany.dk/dm">DM i programmering - Aarhus</a></td>
<td>Mathias Rav
<code><rav cs.au.dk></code></td>
</tr>
<tr>
<td>+</td>
<td><a href="http://www.netcompany.dk/dm">DM I Programmering - Aalborg</a></td>
<td>Søren Fogt Lundbo
<code><sfl netcompany.com></code></td>
<!--<td><i>No organiser. Help us find one!</i></td>-->
</tr>
<tr>
<th></th>
<th>Finland</th>
</tr>
<tr>
<td>+</td>
<td><a href="http://ncpc.aalto.fi/">Aalto University</td>
<td>Jukka Suomela
<code><jukka.suomela aalto.fi></code></td>
</tr>
<tr>
<td>+</td>
<td><a href="https://www.cs.helsinki.fi/u/totalvit/ncpc">University of Helsinki</a></td>
<td>Olli Hirviniemi
<code><olli.hirviniemi helsinki.fi></code></td>
</tr>
<tr>
<td>+</td>
<td>University of Tampere</td>
<td>Heikki Hyyro
<code><Heikki.Hyyro uta.fi></code></td>
</tr>
<tr>
<td></td>
<td><a href="http://www.lut.fi">Lappeenranta University of Technology</a></td>
<td><i>No organiser. Help us find one!</i></td>
</tr>
<tr>
<th></th>
<th>Iceland</th>
</tr>
<tr>
<td>+</td>
<td><a href="http://www.hr.is/faculty/mmh/ncpc/">Háskólakeppnin í forritun - Reykjavik University</a></td>
<td>Magnús Halldórsson
<code><mmh ru.is ></code></td>
</tr>
<!--
<tr>
<td></td>
<td><a href="http://www.tviund.net/?p=391">Háskólakeppnin í forritun - University of Iceland</a></td>
<td><i>No organiser. Help us find one!</i></td>
<td>Kristján Jónasson
<code><jonasson hi.is></code></td>
</tr>
-->
<tr>
<th></th>
<th>Norway</th>
<th>Faculty Advisor: Magnus Lie Hetland<code><mlh idi.ntnu.no></code></th>
</tr>
<!--
<tr>
<td></td>
<td>Molde University College - Specialized University in Logistics</td>
<td>Hans F. Nordhaug
<code><hans.f.nordhaug himolde.no></code></td>
</tr>
-->
<tr>
<!-- <td>Norwegian University of Science and Technology</td> -->
<td>+</td>
<td><a href="ntnu.html">NTNU</a></td>
<td>Didrik Pemmer Aalen
<code><didrikpa stud.ntnu.no></code></td>
</tr>
<!--
<tr>
<td></td>
<td>Sør-Trøndelag University College</td>
<td>Grethe Sandstrak
<code><grethe aitel.hist.no></code></td>
</tr>
-->
<tr>
<td>+</td>
<td>University of Bergen</td>
<td>Torstein Jarl Strømme
<code><torsteins me.com></code></td>
</tr>
<tr>
<td>+</td>
<td>University of Oslo</td>
<td>Arne Tobias Malkenes Ødegaard
<code><atodegaa student.matnat.uio.no></code></td>
</tr>
<tr>
<td></td>
<td>Høgskolan i Gjøvik</td>
<td><i>No organiser. Help us find one!</i></td>
</tr>
<tr>
<td></td>
<td>UiT the Arctic University of Norway</td>
<td><i>No organiser. Help us find one!</i></td>
</tr>
<!--
<tr>
<td></td>
<td>Vestfold University College</td>
<td>Helge Herheim
<code><helge.herheim hive.no></code></td>
</tr>
-->
<!--
<tr>
<td></td>
<td>Østfold University College</td>
<td><i>No organiser. Help us find one!</i></td>
<td>Jan Hoiberg
<code><jan.hoiberg hiof.no></code></td>
</tr>
-->
<tr>
<th></th>
<th>Sweden</th>
<th>National coordinator: Fredrik Heintz<code><fredrik.heintz liu.se></code></th>
</tr>
<tr>
<td>+</td>
<td><a href="http://ncpc.dtek.se/">Chalmers and Gothenburg University</a></td>
<!--<td><i>No organiser. Help us find one!</i></td>-->
<td>Inari Listenmaa
<code><inari chalmers.se></code></td>
<!-- ok -->
</tr>
<tr>
<td>+</td>
<td><a href="http://www.cs.kau.se/ncpc16">Karlstad University</a></td>
<td>Stefan Alfredsson
<code><Stefan.Alfredsson kau.se></code></td>
<!-- ok -->
</tr>
<tr>
<td>+</td>
<td><a href="http://lithekod.se/ncpc/">Linköpings
universitet</a></td>
<td>Christoffer Sjöbergsson
<code><ordf lithekod.se></code></td>
<!-- ok -->
</tr>
<tr>
<td>+</td>
<td>Luleå Institute of Technology</td>
<!--<td><i>No organiser. Help us find one!</i></td>-->
<td>Marcus Lund
<code><styret ludd.ltu.se></code></td>
</tr>
<tr>
<td>+</td>
<td><a href="http://www.cs.lth.se/contest/current">Lund University</a></td>
<td>Roy Andersson
<code><roy.andersson cs.lth.se></code></td>
<!-- ok -->
</tr>
<tr>
<td>+</td>
<td><a href="http://www.csc.kth.se/contest/ncpc">KTH Royal
Institute of Technology</a></td>
<td>Per Austrin
<code><austrin kth.se></code></td>
</tr>
<tr>
<td></td>
<td></td>
<td>Johan Sannemo
<code><jsannemo kth.se></code></td>
</tr>
<tr>
<td></td>
<td></td>
<td>Joseph Swernofsky
<code><josephsw kth.se></code></td>
</tr>
<tr>
<td>+</td>
<td><a href="http://s.cs.umu.se/go/ncpc">Umeå University</a></td>
<td>Tomas Forsman
<code><stric cs.umu.se></code></td>
</tr>
<tr>
<td></td>
<td><a href="http://www.it.uu.se/edu/ncpc">Uppsala University</a></td>
<td><i>No organiser. Help us find one!</i></td>
<!--<td>Lars-Åke Nordén
<code><lln it.uu.se></code></td>-->
</tr>
</table>
<table class="head"><tr><td>
<a name="rules" />
<h3>Rules</h3>
</td><td style="text-align:right; vertical-align: middle">
<a href="">top</a>
</td></tr></table>
<p>
In short: Teams of up to three persons try to solve as many problems as
possible from a set, without external help.
</p>
<p>
The rules for this contest is given by the
<a href="http://icpc.baylor.edu/regionals/rules">ICPC
regional contest rules</a>, with the following clarifications and
additions:
</p>
<h4>Who may compete</h4>
<p>
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).
</p>
<h4>ICPC eligibility</h4>
<p>
Only
<a href="http://icpc.baylor.edu/regionals/rules#HICPCRegionalRulesfor2017">ICPC
eligible</a> student teams compete in the ICPC division.
These may qualify for the regional finals
(<a href="http://nwerc.eu">NWERC</a>), and further to the
<a href="http://icpc.baylor.edu">ICPC World Finals</a>.
Basically, any student
who started his/her university/college studies in 2013 or later is eligible
to compete. For exceptions such as retaken years, military service and so
on, please refer to the
<a href="http://icpc.baylor.edu/download/regionals/rules/EligibilityDecisionTree-2017.pdf">ICPC rules</a>.
Persons who have competed in five regional finals already, or two world
finals, may not compete in the ICPC division.
</p>
<h4>What you may bring to the contest floor</h4>
<ul>
<li>Any written material (Books, manuals, handwritten notes, printed notes, etc).</li>
<li>Pens, pencils, blank paper, stapler and other useful non-electronic
office equipment.</li>
<li>NO material in electronic form (CDs, USB pen and so on).</li>
<li>NO electronic devices (Cellular phone, PDA and so on).</li>
</ul>
<h4>What you may use during the contest</h4>
<ul>
<li>What you brought to the contest floor (see above).</li>
<li>Your assigned (single) computer.</li>
<li>The specified system for submitting solutions.</li>
<li>Printers designated by the organiser.</li>
<li>Things given to you by the contest organiser.</li>
<li>Electronic content specified by the organiser, such as language APIs
and compiler manuals.</li>
<li>Compilers and IDEs specified by the organiser.</li>
<li>Non-programmable tools which are a natural part of the working
environment (such as <code>diff</code> and <code>less</code>).</li>
<li>NO other compilers or interpreters for programming languages.</li>
<!-- IDEs do this <li>NO libraries for generating source code.</li>-->
</ul>
<h4>Behaviour during the contest</h4>
<p>
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.
</p>
<p>
Contestants are <i>only</i> 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.
</p>
<h4 id="rules-contest">The contest</h4>
<p><b>News for 2017:</b> Pascal and Scala have been added to the list of available programming languages.
</p>
<p>
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, Objective-C, Pascal, Prolog, Python,
Haskell, JavaScript, PHP, Ruby, or Scala. The jury guarantees that each problem is
solvable in C++ and Java. No guarantees for other languages are given
due to the large number of allowed languages, however the jury guarantees
that for every language there is at least one problem solvable in that language
(it has always been the case that several of the problems were solvable in
all available languages, but there is no guarantee of this)
</p>
<p>
<p>
The submitted programs must read from standard input (stdin) and write to standard
output (stdout), unless otherwise stated. After you have written
a solution, you may submit it using the specified submission
system.
</p>
<p>
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.
</p>
<p>
If you feel that a 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.
</p>
<p>
<br />
</p>
<hr />
<p>
Updated: 2017-09-22
(<a href="http://validator.w3.org/check/referer">h</a>
<a href="http://jigsaw.w3.org/css-validator/check/referer">c</a>)
<br />
Responsible editor: <a href="mailto:fredrik.heintz@liu.se">Fredrik Heintz</a><br />
</p>