Problems from KTH Challenge 2012

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Birds on a Wire 3523 1118 32% 0.00 1141 924 81% 3.4
Lifting Walls 4430 1056 24% 0.00 874 737 84% 4.3
Pub-lic Good 1179 385 33% 0.01 333 292 88% 3.7
Restaurant Orders 8824 1827 21% 0.01 1282 982 77% 5.2
Toilet Seat 6193 2661 43% 0.00 2510 2223 89% 2.3
Xor Maximization 699 182 26% 0.00 143 105 73% 6.5