2020 NA Regionals Practice Contest 11
Problems
| Name | Solved / Tries | Average tries | Average tries to solve | |
|---|---|---|---|---|
| A | Bitwise | 12/44 (27%) | 1.76 | 1.50 |
| B | Conveyor Belts | 20/45 (44%) | 1.50 | 1.45 |
| C | Free Food | 83/101 (82%) | 1.07 | 1.02 |
| D | Hoppers | 45/100 (45%) | 1.54 | 1.53 |
| E | Largest Triangle | 14/135 (10%) | 2.93 | 1.93 |
| F | Magical String | 0/18 (0%) | 2.25 | -- |
| G | Non-Prime Factors | 41/218 (19%) | 2.60 | 2.68 |
| H | Prolonged Password | 5/18 (28%) | 1.64 | 1.80 |
| I | Rectangular City | 2/13 (15%) | 1.30 | 1.00 |
| J | SG Coin | 53/99 (54%) | 1.52 | 1.60 |
| K | Sliding Blocks | 4/15 (27%) | 1.50 | 1.75 |
| L | Wi Know | 12/54 (22%) | 1.86 | 1.50 |