2020 NA Regionals Practice Contest 10
Problems
| Name | Solved / Tries | Average tries | Average tries to solve | |
|---|---|---|---|---|
| A | Bitwise | 3/35 (9%) | 8.75 | 5.33 |
| B | Conveyor Belts | 4/12 (33%) | 2.40 | 2.75 |
| C | Free Food | 24/38 (63%) | 1.36 | 1.29 |
| D | Hoppers | 14/35 (40%) | 2.19 | 2.29 |
| E | Largest Triangle | 8/86 (9%) | 7.82 | 6.88 |
| F | Magical String | 0/3 (0%) | 1.50 | -- |
| G | Non-Prime Factors | 18/79 (23%) | 3.29 | 3.28 |
| H | Prolonged Password | 3/13 (23%) | 2.60 | 1.67 |
| I | Rectangular City | 1/3 (33%) | 3.00 | 3.00 |
| J | SG Coin | 14/17 (82%) | 1.21 | 1.21 |
| K | Sliding Blocks | 2/8 (25%) | 2.67 | 1.00 |
| L | Wi Know | 6/34 (18%) | 2.83 | 1.83 |