Problems from KTH Challenge 2012

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Birds on a Wire 1714 559 33% 0.00 593 472 80% 4.0
Lifting Walls 2740 686 25% 0.00 550 468 85% 3.8
Pub-lic Good 777 256 33% 0.01 212 185 87% 3.8
Restaurant Orders 4564 873 19% 0.01 699 528 76% 4.9
Toilet Seat 4452 1855 42% 0.00 1827 1611 88% 2.4
Xor Maximization 405 134 33% 0.00 98 75 77% 5.6