Problems from North American Invitational Programming Contest (NAIPC) 2017

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Apple Market0.074661629056%7.4Harden
Blazing New Trails0.18133925516063%7.0Harden
Heaps from Trees0.1531023916067%6.4Harden
Incremental Double Free Strings0.011430291966%5.3Mediumen
Maximum Color Clique0.021413473268%6.0Harden
Pieces of Parentheses0.0159147835775%4.8Mediumen
Ski Resort0.17501619842%7.6Harden
Stars in a Can0.0731031459566%7.8Harden
Stretching Streamers0.0352119215681%4.4Mediumen
Unbalanced Parentheses0.011683241354%7.7Harden
Yin and Yang Stones0.00292689249293%1.9Easyen