Problems from IDI Open 2015

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
A Feast For Cats0.00362088175184%3.8Mediumen
Blackboard Numbers0.0010863553284%3.6Mediumen
Cat And Mouse0.004221811352%7.6Harden
Friday the 13th0.00652181200592%2.3Easyen
Help Roomba Find Himself0.00624906168%7.4Harden
I Hate The Number Nine0.00401681145787%2.7Easyen
NTNU Orienteering0.0368920818388%3.9Mediumen
Simon Says0.00254119357887%2.1Easyen
Smart Phone0.0012777568488%2.9Mediumen
Sneaky Snowninjas0.241504704057%6.8Harden