Problems from Southwestern Europe Regional Contest (SWERC) 2013

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Binary Tree0.016042987023%8.5Harden
Decoding the Hallway0.003332006934%5.6Harden
It Can Be Arranged0.03113629811238%4.8Mediumen
Joe is learning to speak0.429051706337%6.8Harden
Mixing Colours0.4812211234033%7.3Harden
Odd and Even Zeroes0.004422867827%6.1Harden
Shopping Malls0.00117169027540%3.8Mediumen
Trending Topic0.01484144644931%4.9Mediumen
VivoParc0.00410208350624%5.0Mediumen