Problems from KTH Challenge 2015

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A1 Paper 3889 1157 30% 0.00 1132 891 79% 3.8
Black Friday 5696 2181 38% 0.00 2177 1893 87% 2.2
Odd Binomial Coefficients 1202 360 30% 0.00 230 195 85% 3.5
Proteins 154 50 32% 0.01 49 39 80% 5.7
Shibuya Crossing 317 103 32% 0.00 92 71 77% 5.6
The Addition Game 158 19 12% 0.00 31 13 42% 9.2
Xortris 190 57 30% 0.00 65 51 78% 6.1