Problems from North American Invitational Programming Contest (NAIPC) 2015

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Area of Effect1.712517286269%8.7Harden
Canyon Mapping0.0629271531912%7.5Harden
Extensive Or0.027011906735%5.8Harden
Magic Checkerboard0.07441428462114%7.4Harden
Primal Partitions0.0050495429431%5.7Harden
Rainbow Zamboni0.0290258912321%7.3Harden
Sand Art0.04251368111417%7.1Harden
String Stretching0.00835139923016%8.7Harden
Vending Machine0.0284178911715%8.2Harden
Zig Zag Nametag0.00142177869939%4.3Mediumen