2020 South Central USA Regional Contest
Problems
| Name | Solved / Tries | Average tries | Average tries to solve | |
|---|---|---|---|---|
| A | Ant Typing | 17/45 (38%) | 1.73 | 1.82 |
| B | Bad Packing | 9/53 (17%) | 1.71 | 1.89 |
| C | Bitonic Ordering | 6/33 (18%) | 2.06 | 1.67 |
| D | Condorcet | 1/7 (14%) | 1.40 | 1.00 |
| E | Dominating Duos | 19/111 (17%) | 3.08 | 1.68 |
| F | Exam Manipulation | 36/97 (37%) | 1.90 | 1.47 |
| G | Exciting Tournament | 2/4 (50%) | 1.00 | 1.00 |
| H | Kth Subtree | 3/22 (14%) | 3.14 | 4.67 |
| I | Longest Common Subsequence | 17/33 (52%) | 1.50 | 1.41 |
| J | Magic Trick | 55/60 (92%) | 1.09 | 1.09 |
| K | Missing Number | 52/116 (45%) | 2.19 | 2.12 |
| L | Rainbow Numbers | 13/70 (19%) | 2.69 | 2.62 |
| M | Rating Problems | 54/77 (70%) | 1.40 | 1.15 |
| N | Triangular Collection | 26/61 (43%) | 1.65 | 1.42 |
| O | TripTik | 3/18 (17%) | 2.25 | 1.00 |
| P | Unread Messages | 41/154 (27%) | 2.96 | 2.63 |