Problems from CTU Open 2010

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Arbitrage?0.0145788274384%3.8Mediumen
Bus Clock Display0.02299720735%7.4Harden
Bus Schedules0.092415311239%8.1Harden
God Save the i-th Queen0.0743317012875%5.5Harden
Hack Around the Lock0.061445421945%7.4Harden
Measuring Problem Difficulty0.04395725272%6.1Harden
The Easiest Problem Is This One0.00727094670094%1.6Easyen