Problems from KTH Challenge 2015

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A1 Paper 6794 2046 30% 0.00 2034 1616 79% 3.8
Black Friday 9190 3528 38% 0.00 3491 3063 88% 2.2
Odd Binomial Coefficients 1452 473 33% 0.00 333 287 86% 3.6
Proteins 210 62 30% 0.01 63 50 79% 6.3
Shibuya Crossing 546 166 30% 0.00 167 122 73% 5.8
The Addition Game 217 36 17% 0.00 46 24 52% 7.2
Xortris 361 105 29% 0.00 113 89 79% 6.1