Problems from CTU Open 2005

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
All Friends 814 156 19% 0.00 144 75 52% 8.9
Divisors 1079 305 28% 0.01 250 191 76% 5.2
Emag Eht Htiw Em Pleh 344 181 53% 0.00 176 171 97% 1.8
Failing Roads 38 17 45% 0.04 15 12 80% 6.2
Help Me With The Game 467 243 52% 0.00 240 220 92% 2.4