Topic 4: Combinatorics: Counting, Inclusion-Exclusion
Problems
| Name | Solved / Tries | Average tries | Average tries to solve | |
|---|---|---|---|---|
| A | Hopscotch | 11/33 (33%) | 2.75 | 2.36 |
| B | King's Colors | 10/19 (53%) | 1.73 | 1.80 |
| C | Coprime Integers | 8/18 (44%) | 1.80 | 2.00 |
| D | Election | 16/63 (25%) | 3.71 | 3.38 |