题面T1放了个啥?T1读假了好几遍首先一行不能为空，一列的空位必须相邻，一列可以为空点击查看代码#include<bits/stdc++.h>#definespeed()ios::sync_with_stdio(false),cin.tie(0),cout.tie(0);#definelllonglong#definepbpush_back#defineullunsignedlonglong