| Subtask no. | Testdata Range | Constraints | Score |
|---|---|---|---|
| 1 | 0, 1, 2 | 範例測資 | 0 / 0 |
| 2 | 3, 4, 5, 6, 7, 8, 9, 10, 11 | $B = 1$ | 1 / 1 |
| 3 | 12, 13, 38, 39, 40, 41, 42, 43, 44 | $A, B \leq 20$ | 0 / 2 |
| 4 | 12, 13, 14, 15, 16, 17, 18, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44 | $A, B \leq 2000$ | 0 / 3 |
| 5 | 19, 20, 21 | $N = 1$ | 0 / 4 |
| 6 | 19, 20, 21, 22, 23, 24, 25, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44 | $N \leq 2000$ | 0 / 5 |
| 7 | 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44 | 無額外限制 | 0 / 10 |