Problems from KTH Challenge 2012

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Birds on a Wire0.00798368254230%2.7Easyen
Lifting Walls0.001765992145624%4.5Mediumen
Pub-lic Good0.00529139646633%3.7Mediumen
Restaurant Orders0.0028215494332021%3.9Mediumen
Toilet Seat0.001038419341241%2.8Mediumen
Xor Maximization0.005127430324%6.7Harden