Problems from KTH Challenge 2015

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A1 Paper 4771 1407 29% 0.00 1390 1107 80% 3.5
Black Friday 6292 2453 39% 0.00 2445 2130 87% 2.3
Odd Binomial Coefficients 1265 396 31% 0.00 260 224 86% 3.4
Proteins 171 54 32% 0.01 55 43 78% 6.0
Shibuya Crossing 359 113 31% 0.00 105 79 75% 5.5
The Addition Game 171 27 16% 0.00 34 15 44% 9.0
Xortris 204 64 31% 0.00 73 58 79% 5.8