| Subtask no. | Testdata Range | Constraints | Score |
|---|---|---|---|
| 1 | 0 | $N = 10^ {12}, \text{Limit} = 4N\lfloor\log_{2}{N}\rfloor$ | 10 / 10 |
| 2 | 1 | $N = 10^ 5, \text{Limit} = \max(8000, 400 + 4K^ {3/2} )$ | 25 / 25 |
| 3 | 2 | $N = 10^ {14}, \text{limit} = 4K (\lfloor\log_{2}{K}\rfloor + 1)^ 2$ | 30 / 30 |
| 4 | 3 | $N = 10^ {14}, \text{Limit} = 4K (\lfloor\log_{2}{K}\rfloor + 1)$ | 35 / 35 |