Problems from North American Invitational Programming Contest (NAIPC) 2019

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Busy Board0.019234437016%8.0Harden
Cost of Living0.0120724045614%9.0Harden
Cutting Strings0.0920372846523%8.7Harden
Heaps of Fun0.0014941104844%5.8Harden
Intersecting Rectangles0.05639107033832%5.8Harden
It's a Mod, Mod, Mod, Mod World0.0636992716117%7.3Harden
Knight of the Tarot Cards2.5513053107324%8.0Harden
Monotony0.61111225611043%7.9Harden
Piece of Cake0.0141191619221%8.3Harden
Planes, Trains, but not Automobiles0.0418712566927%8.2Harden
Rocket Powered Hovercraft0.008573307422%5.0Mediumen
Subsequences in Substrings0.0112673833245%5.0Mediumen
XOR Sequences0.0165431110634%6.1Harden