Problems from KTH Challenge 2012

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Birds on a Wire0.00792610220584%2.4Easyen
Lifting Walls0.001761293107683%4.1Mediumen
Pub-lic Good0.0038742336185%3.7Mediumen
Restaurant Orders0.002822691208978%3.6Mediumen
Toilet Seat0.001033529310388%2.5Easyen
Xor Maximization0.0010224216769%6.3Harden