Problems from CTU Open 2011

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Ambiguous Result0.0210993368325%6.2Harden
Collatz Conjecture0.001747455169623%4.1Mediumen
Domino Tiling0.052085791620%7.3Harden
Intergalactic Mortgage0.05166116626923%6.2Harden
Invasion0.04296146352036%4.9Mediumen
Mine the Gradient0.111391792228%7.3Harden
Simple Polygon0.22144655310218%8.9Harden
Text Encryption0.00107154261340%3.5Mediumen