摘要：
"题目链接" cpp include include define MAXN 1005 using namespace std; int link[MAXN],vis[MAXN],head[MAXN]; struct edge{ int v,next; }G[MAXN 阅读全文
摘要：
"题目链接" LCA裸题 cpp include define MAXN 1005 using namespace std; int N,Q,tot=0; struct size{ int v,w,next; }G[MAXN=0; i) if(d[anc[i][u]] =d[v])u=anc[i][ 阅读全文