Problems from North American Invitational Programming Contest (NAIPC) 2015

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Area of Effect1.001546561730%9.3Harden
Canyon Mapping0.062927241250%7.3Harden
Extensive Or0.02701635079%6.0Harden
Magic Checkerboard0.0744155433460%7.3Harden
Primal Partitions0.0050427521879%5.6Harden
Rainbow Zamboni0.029021197664%7.3Harden
Sand Art0.0425131017574%7.0Harden
String Stretching0.0083527411642%8.6Harden
Vending Machine0.0284118810154%8.1Harden
Zig Zag Nametag0.0014275162383%4.4Mediumen