兹磁
by __Corrupt_X__ @ 2022-10-09 07:18:40
兹磁
@[小粉兔](/user/10703) @[dottle](/user/79067)
by lingfunny @ 2022-10-09 10:06:41
```LaTeX
- $1 \le n \le 200\,000$
- $1 \le m \le 10^{18}$
```
- $1 \le n \le 200\,000$
- $1 \le m \le 10^{18}$
by lingfunny @ 2022-10-09 10:30:10
@[Ax0f](/user/804043) 加了，感谢您的贡献。
by dottle @ 2022-10-09 10:30:11