Problems from KTH Challenge 2012

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Birds on a Wire0.00792599219584%2.4Easyen
Lifting Walls0.001761279106283%4.2Mediumen
Pub-lic Good0.0038742136086%3.6Mediumen
Restaurant Orders0.002822670207178%3.6Mediumen
Toilet Seat0.001033519309488%2.6Easyen
Xor Maximization0.0010224216769%6.3Harden