Preparation (not mandatory)
Problems
| Name | Solved / Tries | Average tries | Average tries to solve | |
|---|---|---|---|---|
| A | Echo Echo Echo | 161/223 (72%) | 1.35 | 1.31 |
| B | Odd Echo | 118/285 (41%) | 2.16 | 2.02 |
| C | Add Two Numbers | 117/133 (88%) | 1.13 | 1.13 |
| D | N-sum | 106/149 (71%) | 1.38 | 1.38 |
| E | Baby Bites | 76/165 (46%) | 1.90 | 1.82 |