Problems from CTU Open 2005

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
All Friends 1177 224 19% 0.00 212 113 53% 8.8
Divisors 1564 458 29% 0.01 406 309 76% 5.2
Emag Eht Htiw Em Pleh 934 559 60% 0.00 532 519 98% 1.7
Failing Roads 48 20 42% 0.04 21 15 71% 8.1
Help Me With The Game 1282 661 52% 0.00 646 585 91% 2.6