Problems from KTH Challenge 2015

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A1 Paper 4299 1282 30% 0.00 1254 997 80% 3.4
Black Friday 5935 2288 39% 0.00 2285 1992 87% 2.2
Odd Binomial Coefficients 1246 386 31% 0.00 251 216 86% 3.4
Proteins 157 53 34% 0.01 52 42 81% 5.6
Shibuya Crossing 320 106 33% 0.00 95 74 78% 5.1
The Addition Game 162 20 12% 0.00 32 13 41% 9.2
Xortris 196 60 31% 0.00 68 54 79% 5.4