Problems from CTU Open 2011

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Ambiguous Result0.0210993568323%6.5Harden
Collatz Conjecture0.001747530171823%4.1Mediumen
Domino Tiling0.052085961617%7.8Harden
Intergalactic Mortgage0.05166133529022%6.0Harden
Invasion0.04296153653135%4.9Mediumen
Mine the Gradient0.111391972223%7.2Harden
Simple Polygon0.22133966612819%8.6Harden
Text Encryption0.00107157362240%3.4Mediumen