Problems from KTH Challenge 2012

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Birds on a Wire0.00798495259231%2.6Easyen
Lifting Walls0.001766043146824%4.4Mediumen
Pub-lic Good0.00387142447033%3.7Mediumen
Restaurant Orders0.0028215584336222%3.7Mediumen
Toilet Seat0.001038465343341%2.6Easyen
Xor Maximization0.005131830823%6.5Harden