@[ELLIAS](/space/show?uid=65678) 不如试试在!isdigit(c)的时候加一句c!=EOF
by WorldBest丶牛顿 @ 2018-08-08 12:05:40
@[WorldBest丶牛顿](/space/show?uid=53164)
已解决QwQ
```cpp
//freopen ("nico.in","r",stdin);
read(n), read(m);
register char cc;
while (n --)
{
//scanf ("%s", opt);
cc = gc ();
read(t);
if (cc == 'A') nn &= t, ni &= t;
else if (cc == 'O') nn |= t, ni |= t;
else nn ^= t, ni ^= t;
}
```
file read偷走了opt,,,,
感谢大佬
by ELLIAS @ 2018-08-08 12:21:03