补充一下，是 $k$ 要开 `long long` ，刚刚没看懂
by CheemsaDoge @ 2023-10-06 10:31:55
@[xuan_gong_dong](/user/247949) 谢谢~
顺便，记得把函数里的对应参数也改成 `long long`（
by Shen_Linwood @ 2023-10-08 10:01:51
@[CheemsaDoge](/user/753782) 我一般习惯
```cpp
#define int long long
```
by xuan_gong_dong @ 2023-10-09 20:27:56
@[xuan_gong_dong](/user/247949) 这样在CCF的比赛中会爆零的qwq，建议习惯写成`typedef long long ll;`
by Algophitronrhythm_ @ 2023-11-13 20:49:11
@[Algophitronrhythm_](/user/757040) 真的吗，我都写习惯了QwQ
by xuan_gong_dong @ 2023-11-13 21:06:19
@[Algophitronrhythm_](/user/757040) 那我的335怎么来的？
by sb857 @ 2023-12-31 14:38:07