Problems from KTH Challenge 2012

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Birds on a Wire0.00792674226785%2.3Easyen
Lifting Walls0.001761302108583%3.9Mediumen
Pub-lic Good0.0038742936685%3.6Mediumen
Restaurant Orders0.002822761214678%3.7Mediumen
Toilet Seat0.001033560313088%2.5Easyen
Xor Maximization0.0010224417070%6.0Harden