@[fzhfzh](/user/158050) 把
```cpp
t[i]+=(1ll<<(n-i))*(a[i][j]=='O'?1:0);
```
换成
```cpp
t[i]+=(1ll<<(j))*(a[i][j]=='O'?1:0);
```
或者
```cpp
t[i]+=(1ll<<( n - j))*(a[i][j]=='O'?1:0);
```
这里当成自然的二进制位数就可以了。
by FutaRimeWoawaSete @ 2021-04-17 22:48:58
啊我SB了...里面的循环应该是j。。。
by fzhfzh @ 2021-04-17 23:01:29
@[FutaRimeWoawaSete](/user/132533) thk
by fzhfzh @ 2021-04-17 23:01:40