Problems from North American Invitational Programming Contest (NAIPC) 2019

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Busy Board0.019231246552%8.0Harden
Cost of Living0.0119071114238%8.9Harden
Cutting Strings0.092037793949%8.6Harden
Heaps of Fun0.001494584679%5.6Harden
Intersecting Rectangles0.0531040030276%5.6Harden
It's a Mod, Mod, Mod, Mod World0.0525126613551%7.1Harden
Knight of the Tarot Cards2.551305533464%7.8Harden
Monotony0.611112876271%7.6Harden
Piece of Cake0.0141139916742%8.2Harden
Planes, Trains, but not Automobiles0.041871735271%7.9Harden
Rocket Powered Hovercraft0.00857504182%5.0Mediumen
Subsequences in Substrings0.0112635529383%4.9Mediumen
XOR Sequences0.0162912910380%5.6Harden