| Subtask no. | Testdata Range | Constraints | Score |
|---|---|---|---|
| 1 | 0~2 | 範例測資 | 0 / 0 |
| 2 | 0~14 | $N \leq 10 ^ 1$ | 0.1 / 0.1 |
| 3 | 0~28 | $N \leq 10 ^ 2$ | 0 / 0.3 |
| 4 | 0~47 | $N \leq 10 ^ 3$ | 0 / 0.9 |
| 5 | 0~63 | $N \leq 10 ^ 4$ | 0 / 2.7 |
| 6 | 0~82 | $N \leq 10 ^ 5$ | 0 / 8.1 |
| 7 | 0~121 | $N \leq 10 ^ 6$(無額外限制) | 0 / 87.9 |