Problems from North American Invitational Programming Contest (NAIPC) 2019

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Busy Board0.019234437016%8.0Harden
Cost of Living0.0120724155613%9.0Harden
Cutting Strings0.0920372846523%8.8Harden
Heaps of Fun0.0014941114944%5.8Harden
Intersecting Rectangles0.05639108034332%5.9Harden
It's a Mod, Mod, Mod, Mod World0.0636992716117%7.3Harden
Knight of the Tarot Cards2.5513053107324%7.9Harden
Monotony0.61111226111143%7.6Harden
Piece of Cake0.0141192619321%8.3Harden
Planes, Trains, but not Automobiles0.0418712566927%8.2Harden
Rocket Powered Hovercraft0.008573307422%4.9Mediumen
Subsequences in Substrings0.0112673833245%5.0Mediumen
XOR Sequences0.0165431210734%6.0Harden