Problems from North American Invitational Programming Contest (NAIPC) 2015

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Area of Effect1.7125172332511%8.4Harden
Canyon Mapping0.0629271111917%7.3Harden
Extensive Or0.027011206453%4.2Mediumen
Magic Checkerboard0.07763319954117%7.8Harden
Primal Partitions0.0050488227631%5.6Harden
Rainbow Zamboni0.0290252611822%7.4Harden
Sand Art0.04251361811118%7.0Harden
String Stretching0.00835116021819%8.7Harden
Vending Machine0.0284171610515%8.4Harden
Zig Zag Nametag0.00142145061743%3.8Mediumen