Problems from CTU Open 2011

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Ambiguous Result0.0210991197866%5.6Harden
Collatz Conjecture0.001741730142582%2.4Easyen
Domino Tiling0.052085281450%7.6Harden
Intergalactic Mortgage0.0216624818273%5.7Harden
Invasion0.0429641232980%4.6Mediumen
Mine the Gradient0.111391271659%6.9Harden
Simple Polygon0.2213391074340%8.6Harden
Text Encryption0.0010765253282%3.3Mediumen