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 Living0.0119071114339%8.9Harden
Cutting Strings0.092037783950%8.7Harden
Heaps of Fun0.001494665482%5.4Mediumen
Intersecting Rectangles0.0531042632476%5.6Harden
It's a Mod, Mod, Mod, Mod World0.0525127214051%6.9Harden
Knight of the Tarot Cards0.361305543463%8.3Harden
Monotony0.611112896674%7.5Harden
Piece of Cake0.0141141217442%8.2Harden
Planes, Trains, but not Automobiles0.04803775774%7.1Harden
Rocket Powered Hovercraft0.00857494184%5.3Mediumen
Subsequences in Substrings0.0112637631183%4.6Mediumen
XOR Sequences0.0162913310680%5.6Harden