Problems from CTU Open 2005

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
All Friends0.00685141226219%8.7Harden
Divisors0.00133258770627%5.7Harden
Emag Eht Htiw Em Pleh0.00287180495753%1.9Easyen
Failing Roads0.04384933740%7.1Harden
Help Me With The Game0.004352547112444%2.9Mediumen