Problems from CTU Open 2005

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
All Friends 876 164 19% 0.00 157 79 50% 8.9
Divisors 1187 344 29% 0.01 275 208 76% 5.3
Emag Eht Htiw Em Pleh 491 272 55% 0.00 261 255 98% 1.7
Failing Roads 39 17 44% 0.04 16 12 75% 7.0
Help Me With The Game 677 359 53% 0.00 336 311 93% 2.3