Problems from CTU Open 2005

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
All Friends 798 156 20% 0.00 141 75 53% 8.5
Divisors 1050 291 28% 0.01 245 186 76% 5.0
Emag Eht Htiw Em Pleh 331 171 52% 0.00 166 161 97% 1.8
Failing Roads 38 17 45% 0.04 15 12 80% 6.1
Help Me With The Game 411 219 53% 0.00 221 203 92% 2.4