pushup函数里面应该是 ``` tag[k]=tag[k*2]&tag[k*2+1]; ``` 改了就能过了 by chenwenmo @ 2024-02-23 16:07:12
@[chenwenmo](/user/815504) 感谢!已关 by lpx2024 @ 2024-03-24 15:35:09