Topic 4: Combinatorics: Counting, Inclusion-Exclusion
Problems
| Name | Solved / Tries | Average tries | Average tries to solve | |
|---|---|---|---|---|
| A | I Hate The Number Nine | 22/36 (61%) | 1.64 | 1.64 |
| B | King's Colors | 16/50 (32%) | 3.12 | 3.12 |
| C | Hopscotch | 13/28 (46%) | 2.15 | 2.15 |
| D | Election | 21/67 (31%) | 3.19 | 3.19 |