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//后悔在广州玩的太嗨了 现在要疯狂补blog... // 含code Day1 https://www.luogu.org/problem/show?pid=2201 https://www.luogu.org/problem/show?pid=2789 https://www.luogu.org 阅读全文
摘要：
双向链表 1 #include<cstdio> 2 #include<cstring> 3 #define MAXN 100005 4 using namespace std; 5 int n; 6 bool vis[MAXN]; 7 struct queue{ 8 int l,r,no; 9 }q 阅读全文