Problems from CTU Open 2005

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
All Friends0.00685145427019%8.5Harden
Divisors0.00133263972227%5.6Harden
Emag Eht Htiw Em Pleh0.00287184297153%1.8Easyen
Failing Roads0.043841063735%7.0Harden
Help Me With The Game0.004352635115244%2.9Mediumen