Problems from North American Invitational Programming Contest (NAIPC) 2017

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Apple Market0.0746665514522%7.6Harden
Blazing New Trails0.181339175026615%7.3Harden
Heaps from Trees0.1531074724132%6.5Harden
Incremental Double Free Strings0.011430882832%5.2Mediumen
Maximum Color Clique0.0414131464027%6.2Harden
Pieces of Parentheses0.01591189741722%5.3Mediumen
Ski Resort0.1750161832413%6.2Harden
Stars in a Can0.07310360718330%8.0Harden
Stretching Streamers0.0352144719043%4.3Mediumen
Unbalanced Parentheses0.011683782127%7.9Harden
Yin and Yang Stones0.0054652278660%1.9Easyen