Problems from KTH Challenge 2012

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Birds on a Wire0.00792465206684%2.6Easyen
Lifting Walls0.001761272105783%4.2Mediumen
Pub-lic Good0.0038741835886%3.7Mediumen
Restaurant Orders0.002822541195077%4.1Mediumen
Toilet Seat0.001033480305788%2.6Easyen
Xor Maximization0.0010223916669%6.5Harden