摘要: bool cmp(int a,int b){return dfn[a]<dfn[b];} #define pb push_back vector<int>G[maxn]; int s[maxn],a[maxn],tp; void push(int u) { if(u==1)return; G[u]. 阅读全文
posted @ 2020-11-23 21:05 Rainbow_qwq 阅读(85) 评论(0) 推荐(0) 编辑