Problems from CTU Open 2005

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
All Friends0.00685135325319%8.6Harden
Divisors0.00133233064728%5.5Harden
Emag Eht Htiw Em Pleh0.00287163389055%1.8Easyen
Failing Roads0.04384723650%7.1Harden
Help Me With The Game0.004352333105345%2.9Mediumen