| ID | NAME | RATIO | SOLVED | TRIED |
| A | Lucky Substrings | 62% | 652 | 1035 |
| B | Numeric Keypad | 15% | 101 | 669 |
| C | Spring Outing | 9% | 23 | 250 |
| D | S-expression | 0% | 51 |
| ID | NAME | RATIO | SOLVED | TRIED |
| A | Lucky Substrings | 62% | 652 | 1035 |
| B | Numeric Keypad | 15% | 101 | 669 |
| C | Spring Outing | 9% | 23 | 250 |
| D | S-expression | 0% | 51 |