#include using namespace std; #define For(i, a, b) for(int i = (a); i < (b); i++) #define rep(i, n) For(i, 0, n) #define rFor(i, a, b) for(int i = (a); i >= (b); i--) #define ALL(v) (v).begin(), (v).end() #define rALL(v) (v).rbegin(), (v).rend() #define SZ(v) ((int)(v).size()) using lint = long long; using ld = long double; int INF = 2000000000; lint LINF = 1000000000000000000; struct SetupIo { SetupIo() { ios::sync_with_stdio(false); cin.tie(nullptr); cout << fixed << setprecision(15); cerr << fixed << setprecision(15); } } setupio; // a <- max(a, b) template bool chmax(T &a, const T &b) { if (a < b) { a = b; return true; } return false; } // a <- min(a, b) template bool chmin(T &a, const T &b) { if (a > b) { a = b; return true; } return false; } #include int main() { lint N, M; cin >> N >> M; vector U(M), V(M); rep(i, M) { cin >> U[i] >> V[i]; U[i]--; V[i]--; } int Q; cin >> Q; vector B(Q); rep(i, Q) { cin >> B[i]; B[i]--; } vector exist(M, true); rep(i, Q) { exist[B[i]] = false; } atcoder::dsu uf(N); rep(i, M) { if (exist[i]) { uf.merge(U[i], V[i]); } } lint now = N * (N - 1LL) / 2LL; rep(i, N) { if (uf.leader(i) == i) { lint sz = uf.size(i); now -= sz * (sz - 1LL) / 2LL; } } vector ans; ans.emplace_back(now); for (int i = Q - 1; i >= 0; i--) { int u = U[B[i]], v = V[B[i]]; if (uf.same(u, v)) { ans.emplace_back(now); } else { lint x = uf.size(u); lint y = uf.size(v); now -= x * y; ans.emplace_back(now); uf.merge(u, v); } } reverse(ALL(ans)); For(i, 1, Q + 1) { cout << ans[i] << "\n"; } }