Problems from North American Invitational Programming Contest (NAIPC) 2015

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Area of Effect1.001546411537%8.3Harden
Canyon Mapping0.062927211152%6.7Harden
Extensive Or0.02701634978%6.2Harden
Magic Checkerboard0.0744152631460%7.4Harden
Primal Partitions0.0050425219778%5.7Harden
Rainbow Zamboni0.029021187664%7.0Harden
Sand Art0.0425131027675%6.7Harden
String Stretching0.0083526811443%8.7Harden
Vending Machine0.0284118810053%8.2Harden
Zig Zag Nametag0.0014268957383%4.2Mediumen