#includeusing namespace std; struct rec{ int x; int y; int z; }edge[200005]; int n,m,ans,tot=0; int fa[5005]; bool cmp(rec a,rec b){ return a.z

#includeusing namespace std; struct rec{ int x; int y; int z; }edge[200005]; int n,m,ans,tot=0; int fa[5005]; bool cmp(rec a,rec b){ return a.z