Problems from KTH Challenge 2012

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Birds on a Wire0.00798447257630%2.6Easyen
Lifting Walls0.001765998145824%4.5Mediumen
Pub-lic Good0.00387139846833%3.7Mediumen
Restaurant Orders0.0028215520333221%3.8Mediumen
Toilet Seat0.001038437342041%2.7Easyen
Xor Maximization0.005131030623%6.6Harden