#include using namespace std; typedef signed long long ll; #define _P(...) (void)printf(__VA_ARGS__) #define FOR(x,to) for(x=0;x<(to);x++) #define FORR(x,arr) for(auto& x:arr) #define FORR2(x,y,arr) for(auto& [x,y]:arr) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) template bool chmax(T &a, const T &b) { if(a bool chmin(T &a, const T &b) { if(a>b){a=b;return 1;}return 0;} //------------------------------------------------------- int N,M; int U[202020],V[202020]; int Q; int vis[202020]; int order[202020]; ll ret[202020]; template class UF { public: vector par,rank,cnt,G[um]; UF() {par=rank=vector(um,0); cnt=vector(um,1); for(int i=0;irank[y]) return par[x]=y; rank[x]+=rank[x]==rank[y]; return par[y]=x; } }; UF<202020> uf; void solve() { int i,j,k,l,r,x,y; string s; cin>>N>>M; FOR(i,M) { cin>>U[i]>>V[i]; U[i]--,V[i]--; } cin>>Q; FOR(i,Q) { cin>>x; vis[x-1]=1; order[i]=x-1; } ll num=0; FOR(i,M) if(vis[i]==0) { if(uf[U[i]]!=uf[V[i]]) { num+=1LL*uf.count(U[i])*uf.count(V[i]); uf(U[i],V[i]); } } for(i=Q-1;i>=0;i--) { ret[i]=1LL*N*(N-1)/2-num; x=order[i]; if(uf[U[x]]!=uf[V[x]]) { num+=1LL*uf.count(U[x])*uf.count(V[x]); uf(U[x],V[x]); } } FOR(i,Q) cout<