Problems from North American Invitational Programming Contest (NAIPC) 2015

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Area of Effect1.7125172592610%8.5Harden
Canyon Mapping0.0629271331914%7.3Harden
Extensive Or0.027011476544%4.6Mediumen
Magic Checkerboard0.07441422061215%7.6Harden
Primal Partitions0.0050493129131%5.6Harden
Rainbow Zamboni0.0290254611922%7.3Harden
Sand Art0.04251365611417%6.8Harden
String Stretching0.00835134222717%8.7Harden
Vending Machine0.0284175711515%8.2Harden
Zig Zag Nametag0.00142169967940%4.3Mediumen