Problems from North American Invitational Programming Contest (NAIPC) 2015

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Area of Effect1.7125172722610%8.7Harden
Canyon Mapping0.0629271411913%7.3Harden
Extensive Or0.027011586642%4.6Mediumen
Magic Checkerboard0.07441426261614%7.5Harden
Primal Partitions0.0050494029231%5.8Harden
Rainbow Zamboni0.0290255311922%7.3Harden
Sand Art0.04251366311417%6.8Harden
String Stretching0.00835137223017%8.7Harden
Vending Machine0.0284176711615%8.2Harden
Zig Zag Nametag0.00142173568640%4.4Mediumen