2019 NA Regionals Practice Contest 1
Problems
| Name | Solved / Tries | Average tries | Average tries to solve | |
|---|---|---|---|---|
| A | Treehouses | 22/39 (56%) | 1.50 | 1.32 |
| B | Exam | 38/50 (76%) | 1.19 | 1.05 |
| C | Cops and Robbers | 12/15 (80%) | 1.25 | 1.25 |
| D | Poker Hand | 42/45 (93%) | 1.07 | 1.07 |
| E | Coprime Integers | 12/21 (57%) | 1.40 | 1.25 |
| F | Goat Rope | 36/45 (80%) | 1.25 | 1.25 |
| G | Illiteracy | 14/19 (74%) | 1.27 | 1.29 |
| H | Heir's Dilemma | 34/41 (83%) | 1.17 | 1.18 |
| I | Random Manhattan Distance | 1/9 (11%) | 4.50 | 1.00 |
| J | Mobilization | 6/36 (17%) | 4.00 | 3.17 |
| K | Repeated Substrings | 13/38 (34%) | 2.38 | 1.85 |