Problems from CTU Open 2005

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
All Friends 1083 205 19% 0.00 183 99 54% 8.8
Divisors 1322 377 29% 0.01 310 236 76% 5.3
Emag Eht Htiw Em Pleh 594 350 59% 0.00 335 328 98% 1.7
Failing Roads 45 18 40% 0.04 18 13 72% 7.8
Help Me With The Game 940 469 50% 0.00 454 412 91% 2.6