Problems from Southwestern Europe Regional Contest (SWERC) 2013

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Binary Tree0.016043027224%8.4Harden
Decoding the Hallway0.003332127133%6.4Harden
It Can Be Arranged0.03113630011438%4.7Mediumen
Joe is learning to speak0.429051726437%6.9Harden
Mixing Colours0.4812071334635%6.6Harden
Odd and Even Zeroes0.004422908128%5.9Harden
Shopping Malls0.00117173129140%3.9Mediumen
Trending Topic0.01484146945631%4.9Mediumen
VivoParc0.00410210751024%5.1Mediumen