感觉是式子错了，实际上我也不知道，就别找我了
by LV06 @ 2022-06-23 11:00:18
@[Static_int](/user/731608)
```
x = (a * x * x % d + b * x % d + c) % d;
```
应该是
```
x = (a * x % d * x % d + b * x % d + c) % d;
```
否则爆 ll
by Chthologist7507 @ 2022-06-23 11:34:34
3 个 1e9 相乘肯定会爆的
by Chthologist7507 @ 2022-06-23 11:35:19
@[Chthologist7507](/user/555059) 谢谢
by Static_int @ 2022-06-23 11:46:57