| Subtask no. | Testdata Range | Constraints | Score |
|---|---|---|---|
| 1 | 0~1 | 範例測資 | 0 / 0 |
| 2 | 2~11 | $a_i = b_i > c_i$ | 0 / 11 |
| 3 | 1, 12~21 | $x_i = y_i= 1,b_i = a_i,N \le 500$ | 0 / 13 |
| 4 | 1, 12~31 | $x_i = y_i = 1,b_i = a_i$ | 0 / 15 |
| 5 | 0~1, 12~41 | $a_i = b_i,x_i = y_i$ | 0 / 17 |
| 6 | 0~1, 12~21, 42~51 | $N \le 500$ | 0 / 19 |
| 7 | 0~61 | 無其他限制 | 0 / 25 |