Problems from CTU Open 2010

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Arbitrage? 2432 588 24% 0.02 385 325 84% 3.4
Bus Clock Display 44 7 16% 0.02 16 7 44% 8.3
Bus Schedules 24 6 25% 0.16 13 6 46% 8.4
God Save the i-th Queen 719 232 32% 0.28 113 76 67% 7.1
Hack Around the Lock 91 15 16% 0.06 21 11 52% 8.4
Measuring Problem Difficulty 44 26 59% 0.04 30 24 80% 6.7
The Easiest Problem Is This One 8392 4683 56% 0.00 4247 4039 95% 1.5