Problems from CTU Open 2011

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Ambiguous Result0.0210991177564%6.0Harden
Collatz Conjecture0.001741639133581%3.0Mediumen
Domino Tiling0.052085261246%7.7Harden
Intergalactic Mortgage0.0516624417873%5.8Harden
Invasion0.0429640132180%4.7Mediumen
Mine the Gradient0.111391251456%7.1Harden
Simple Polygon0.2213391044139%8.6Harden
Text Encryption0.0010764652681%3.4Mediumen