@[_星星之火_](/user/231591) 看数据范围，高精请
by Ryo_Yamada @ 2020-08-26 12:41:14
az
by Lonely_Christmas @ 2020-08-26 13:01:46
@[fanglong](/user/241520) 哪都有你
by FishingStar @ 2020-08-26 14:06:28
@[breeze末影](/user/242543) 取模，谢回答qwq
by FishingStar @ 2020-08-26 14:13:29
a,到底怎么回事啊
by FishingStar @ 2020-08-26 14:18:22
同，求助
by 回首空城 @ 2020-12-20 10:48:05
@[_星星之火_](/user/231591)
```cpp
if(!b){x=1;y=0;return;}
```
y 要归零？
by xps0606 @ 2021-05-25 21:15:45
还有
```
return (ll)res * f;
```
$q()$ 返回的值也该是 long long ?
by xps0606 @ 2021-05-25 21:17:39
@[xps0606](/user/437885) 远古老帖了，谢回答
by FishingStar @ 2021-05-25 21:46:27
@[_星星之火_](/user/231591) 我也是全WA和你写的差不多，为什么啊
by freeDog @ 2021-07-17 14:09:31