Problems from North American Invitational Programming Contest (NAIPC) 2019

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Busy Board0.019231266854%7.9Harden
Cost of Living0.0119071114238%9.0Harden
Cutting Strings0.092037783950%8.7Harden
Heaps of Fun0.001494604880%5.9Harden
Intersecting Rectangles0.0531040830875%5.7Harden
It's a Mod, Mod, Mod, Mod World0.0525127213951%7.0Harden
Knight of the Tarot Cards0.361305543463%8.2Harden
Monotony0.611112876474%7.5Harden
Piece of Cake0.0141140817443%8.2Harden
Planes, Trains, but not Automobiles0.04803765572%7.6Harden
Rocket Powered Hovercraft0.00857494184%4.9Mediumen
Subsequences in Substrings0.0112635729583%4.9Mediumen
XOR Sequences0.0162913110479%5.6Harden