Problems from CTU Open 2010

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Arbitrage?0.0145788174284%3.8Mediumen
Bus Clock Display0.02299720735%7.7Harden
Bus Schedules0.092415311239%8.4Harden
God Save the i-th Queen0.0743317012875%5.5Harden
Hack Around the Lock0.061445421945%7.7Harden
Measuring Problem Difficulty0.04395725272%6.1Harden
The Easiest Problem Is This One0.00727117672094%1.6Easyen