Problems from North American Invitational Programming Contest (NAIPC) 2015

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Area of Effect1.001546551731%9.2Harden
Canyon Mapping0.062927241250%7.6Harden
Extensive Or0.02701635079%6.0Harden
Magic Checkerboard0.0744155333460%7.2Harden
Primal Partitions0.0050426821279%5.7Harden
Rainbow Zamboni0.029021187664%7.2Harden
Sand Art0.0425131017574%7.0Harden
String Stretching0.0083527311642%8.6Harden
Vending Machine0.0284118810154%8.1Harden
Zig Zag Nametag0.0014274261483%4.4Mediumen