Problems from KTH Challenge 2012

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Birds on a Wire0.00792472207084%2.6Easyen
Lifting Walls0.001761274105883%4.2Mediumen
Pub-lic Good0.0038741635686%3.7Mediumen
Restaurant Orders0.002822542195177%4.1Mediumen
Toilet Seat0.001033497307388%2.6Easyen
Xor Maximization0.0010223716469%6.4Harden