Problems from KTH Challenge 2015

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A1 Paper 7207 2221 31% 0.00 2206 1767 80% 3.4
Black Friday 9645 3727 39% 0.00 3681 3234 88% 2.1
Odd Binomial Coefficients 1506 494 33% 0.00 357 308 86% 3.6
Proteins 229 68 30% 0.01 69 55 80% 6.2
Shibuya Crossing 559 170 30% 0.00 172 126 73% 5.7
The Addition Game 217 36 17% 0.00 46 24 52% 7.1
Xortris 372 108 29% 0.00 116 92 79% 6.8