Problems from North American Invitational Programming Contest (NAIPC) 2017

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Apple Market0.0746664814522%7.6Harden
Blazing New Trails0.181339166225215%7.3Harden
Heaps from Trees0.1531073123933%6.5Harden
Incremental Double Free Strings0.011430822834%5.2Mediumen
Maximum Color Clique0.0414131394029%6.2Harden
Pieces of Parentheses0.01591185940222%5.5Harden
Ski Resort0.25690113697%6.2Harden
Stars in a Can0.07310358517129%8.0Harden
Stretching Streamers0.0352143718943%4.4Mediumen
Unbalanced Parentheses0.011683712130%7.9Harden
Yin and Yang Stones0.0054623277460%1.9Easyen