Problems from KTH Challenge 2012

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Birds on a Wire0.00792593219084%2.4Easyen
Lifting Walls0.001761275105983%4.2Mediumen
Pub-lic Good0.0038742035985%3.6Mediumen
Restaurant Orders0.002822570197477%4.1Mediumen
Toilet Seat0.001033500307688%2.6Easyen
Xor Maximization0.0010223816469%6.4Harden