\(O(n^3)\)处理\(n\timesn\)数字华容道还原（可能无解）。具体实现看代码：solve.cpp#include<bits/stdc++.h>usingnamespacestd;#definefifirst#definesesecondconstintN=201;intn,l,r,L,R;booltype;vector<vector<int>>a,res;vector<p