这样子实现w没除掉
by chenguoyi @ 2023-11-15 21:31:16
```cpp
for(int mm = l; mm <= r && !f[l][r][k]; mm++)
f[l][r][k] = (f[l][mm][k-1] && f[mm+1][r][k-1]);
```
这玩意真的能除以 $w$ 吗。。
by rui_er @ 2023-11-15 21:31:25
你得 bitset 整体做位运算吧
by rui_er @ 2023-11-15 21:32:06
@[rui_er](/user/122461) 好的好的，谢谢
by Birdly @ 2023-11-15 21:38:30