Problems from CTU Open 2010

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Arbitrage?0.0145790276184%3.4Mediumen
Bus Clock Display0.02299721838%7.6Harden
Bus Schedules0.092415301137%8.6Harden
God Save the i-th Queen0.0743317613174%5.5Harden
Hack Around the Lock0.061445411844%7.8Harden
Measuring Problem Difficulty0.04395715172%6.3Harden
The Easiest Problem Is This One0.00727269686394%1.6Easyen