Problems from KTH Challenge 2012

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Birds on a Wire 1437 455 32% 0.00 494 397 80% 4.1
Lifting Walls 2492 632 25% 0.00 490 421 86% 3.5
Pub-lic Good 615 210 34% 0.01 180 156 87% 3.8
Restaurant Orders 4083 740 18% 0.01 615 467 76% 4.9
Toilet Seat 4042 1690 42% 0.00 1662 1468 88% 2.3
Xor Maximization 266 101 38% 0.00 76 58 76% 6.4