Problems from North American Invitational Programming Contest (NAIPC) 2015

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Area of Effect1.7125172672610%8.7Harden
Canyon Mapping0.0629271361914%7.3Harden
Extensive Or0.027011536643%4.6Mediumen
Magic Checkerboard0.07441425361514%7.5Harden
Primal Partitions0.0050493429131%5.8Harden
Rainbow Zamboni0.0290254811922%7.3Harden
Sand Art0.04251365811417%6.8Harden
String Stretching0.00835135622917%8.7Harden
Vending Machine0.0284175911515%8.3Harden
Zig Zag Nametag0.00142172468340%4.3Mediumen