Problems from KTH Challenge 2012

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Birds on a Wire0.00792658225285%2.4Easyen
Lifting Walls0.001761299108283%3.9Mediumen
Pub-lic Good0.0038742436185%3.6Mediumen
Restaurant Orders0.002822726211578%3.7Mediumen
Toilet Seat0.001033537311088%2.5Easyen
Xor Maximization0.0010224417070%6.0Harden