Problems from CTU Open 2005

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
All Friends0.00685147527619%8.4Harden
Divisors0.00133266673728%5.5Harden
Emag Eht Htiw Em Pleh0.00287186697452%1.9Easyen
Failing Roads0.043841093835%6.4Harden
Help Me With The Game0.004352664115743%2.8Mediumen