Problems from North American Invitational Programming Contest (NAIPC) 2015

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Area of Effect1.001546411537%8.4Harden
Canyon Mapping0.062927201050%7.3Harden
Extensive Or0.02701624979%5.8Harden
Magic Checkerboard0.0744153331960%7.3Harden
Primal Partitions0.0050425419978%5.7Harden
Rainbow Zamboni0.029021187664%7.2Harden
Sand Art0.0425131017574%7.0Harden
String Stretching0.0083526711443%8.7Harden
Vending Machine0.0284118810154%8.2Harden
Zig Zag Nametag0.0014272259883%4.4Mediumen