Problems from CTU Open 2010

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Arbitrage?0.014574273117327%3.7Mediumen
Bus Clock Display0.02299742717%7.7Harden
Bus Schedules0.092415621118%8.1Harden
God Save the i-th Queen0.0743395133435%5.8Harden
God Save the i-th Queen0.0743395133435%5.8Harden
God Save the i-th Queen0.0743395133435%5.8Harden
Hack Around the Lock0.0614451262217%7.8Harden
Measuring Problem Difficulty0.043951196050%6.7Harden
The Easiest Problem Is This One0.00512746696655%1.6Easyen