2020 Northeast North America Regional Contest
Problems
| Name | Solved / Tries | Average tries | Average tries to solve | |
|---|---|---|---|---|
| A | Rating Problems | 43/52 (83%) | 1.18 | 1.07 |
| B | Smoothie Stand | 39/66 (59%) | 1.53 | 1.49 |
| C | Exam Manipulation | 23/83 (28%) | 2.24 | 1.43 |
| D | Ant Typing | 11/35 (31%) | 1.94 | 1.18 |
| E | No Thanks! | 41/66 (62%) | 1.50 | 1.51 |
| F | Unread Messages | 26/91 (29%) | 2.60 | 2.12 |
| G | Bad Packing | 10/46 (22%) | 2.30 | 2.00 |
| H | Bitonic Ordering | 6/20 (30%) | 1.82 | 1.50 |
| I | Triangular Collection | 14/59 (24%) | 1.97 | 1.36 |
| J | Kth Subtree | 5/22 (23%) | 3.14 | 2.40 |
| K | Longest Common Subsequence | 15/44 (34%) | 2.10 | 1.73 |
| L | Painted Corridors | 4/7 (57%) | 1.40 | 1.50 |
| M | Rainbow Numbers | 13/49 (27%) | 2.72 | 2.38 |
| N | Basic Basis | 6/21 (29%) | 2.62 | 3.17 |
| O | Exciting Tournament | 4/5 (80%) | 1.25 | 1.25 |
| P | Condorcet | 3/12 (25%) | 2.40 | 2.00 |
| Q | TripTik | 3/10 (30%) | 3.33 | 3.33 |
| R | Derangement Rotations | 6/16 (38%) | 1.60 | 1.33 |