Contest is over.

Welcome to the 2011 Spotify Programming Challenge!

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Here are solutions and test data for the contest problems:

This work by Scrool is licensed under a Creative Commons Attribution-Share Alike 2.5 Sweden License. You are free to redistribute it as you like as long as this license information is not removed.

2011-05-21, 19:15

The contest is over! Thanks to everyone who participated, we hope you enjoyed it. Congratulations to Michal ForiĊĦek for solving seven problems and winning the contest. If you have any feedback for us, we'd be happy to hear about it at

Solutions and test data for the problems will be published here within a few days. This server will be up and running for a while for those of you who want more time to solve the problems.

2011-05-21, 14:25

Half an hour left to the contest. Good luck everyone! Two corrections:


It's the day before SPC 2011, and we hope you are as excited about it as we are. Some additional pieces of information:


The Spotify Programming Challenge 2011 will take place on Saturday May 21, 2011 at 15:00 CEST!

The practice system will be available until 24 hours before contest start. Use it to familiarize yourself with the contest system and to solve the problems from SPC 2010.