Problems from North American Invitational Programming Contest (NAIPC) 2017

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Apple Market0.0748962614123%7.8Harden
Blazing New Trails0.181339158224015%7.4Harden
Heaps from Trees0.1531071323833%6.6Harden
Incremental Double Free Strings0.011430692739%5.3Mediumen
Maximum Color Clique0.0414131263830%6.3Harden
Pieces of Parentheses0.01591172236521%5.9Harden
Ski Resort0.25690112597%6.3Harden
Stars in a Can0.07310357116930%8.1Harden
Stretching Streamers0.0352142118544%4.5Mediumen
Unbalanced Parentheses0.011683612134%8.0Harden
Yin and Yang Stones0.0054476269260%1.9Easyen