Problems from IDI Open 2015

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
A Feast For Cats0.00362113176884%3.9Mediumen
Blackboard Numbers0.0010863453184%3.6Mediumen
Cat And Mouse0.004221811251%7.7Harden
Friday the 13th0.00652198201592%2.5Easyen
Help Roomba Find Himself0.00624896067%7.7Harden
I Hate The Number Nine0.00401732150087%2.6Easyen
NTNU Orienteering0.0368921318788%3.9Mediumen
Simon Says0.0064140359687%2.1Easyen
Smart Phone0.0012778269088%2.9Mediumen
Sneaky Snowninjas0.241504693957%7.3Harden