weixin_45113721的博客

讲解：https://blog.youkuaiyun.com/qq_45458915/article/details/107306393 代码： #include<cstdio> #include<cctype> #include<cstring> #include<algorithm> using namespace std; const int maxn=505; const int maxm=maxn*maxn*2; int que[maxm],ql,qr,pre[

讲解： https://www.cnblogs.com/owenyu/p/6858508.html https://yhx-12243.github.io/OI-transit/records/uoj79.html https://www.cnblogs.com/BAJimH/p/10569418.html 题目：http://uoj.ac/problem/79 #include<cstdio> #include<cctype> #include<cstring> #in