#include using namespace std; #define CPP_STR(x) CPP_STR_I(x) #define CPP_CAT(x, y) CPP_CAT_I(x, y) #define CPP_STR_I(args...) #args #define CPP_CAT_I(x, y) x##y #define ASSERT(expr...) assert((expr)) using i8 = int8_t; using u8 = uint8_t; using i16 = int16_t; using u16 = uint16_t; using i32 = int32_t; using u32 = uint32_t; using i64 = int64_t; using u64 = uint64_t; using f32 = float; using f64 = double; // }}} constexpr i64 INF = 1'010'000'000'000'000'017LL; constexpr i64 MOD = 998244353LL; constexpr f64 EPS = 1e-12; constexpr f64 PI = 3.14159265358979323846; #define M5 100007 #define M9 1000000000 #define F first #define S second // util {{{ #define FOR(i, start, end) for (i64 i = (start), CPP_CAT(i, xxxx_end) = (end); i < CPP_CAT(i, xxxx_end); ++i) #define REP(i, n) FOR(i, 0, n) #define all(x) (x).begin(), (x).end() #define ll long long int #define VI vector #define VVI vector #define ISD true #define debug(x) \ if (ISD) \ cout << #x << ": " << x << endl template > bool chmax(T &xmax, const U &x, Comp comp = {}) { if (comp(xmax, x)) { xmax = x; return true; } return false; } template > bool chmin(T &xmin, const U &x, Comp comp = {}) { if (comp(x, xmin)) { xmin = x; return true; } return false; } /* UnionFind:素集合系管理の構造体(union by size) isSame(x, y): x と y が同じ集合にいるか。 計算量はならし O(α(n)) unite(x, y): x と y を同じ集合にする。計算量はならし O(α(n)) treeSize(x): x を含む集合の要素数。 */ struct UnionFind { vector size, parents; UnionFind() {} UnionFind(int n) { // make n trees. size.resize(n, 0); parents.resize(n, 0); for (int i = 0; i < n; i++) { makeTree(i); } } void makeTree(int x) { parents[x] = x; // the parent of x is x size[x] = 1; } bool isSame(int x, int y) { return findRoot(x) == findRoot(y); } bool unite(int x, int y) { x = findRoot(x); y = findRoot(y); if (x == y) return false; if (size[x] > size[y]) { parents[y] = x; size[x] += size[y]; } else { parents[x] = y; size[y] += size[x]; } return true; } int findRoot(int x) { if (x != parents[x]) { parents[x] = findRoot(parents[x]); } return parents[x]; } int treeSize(int x) { return size[findRoot(x)]; } }; int main() { ll N, M; cin >> N >> M; using P = pair; vector

UV(M); REP(i, M) { cin >> UV[i].first >> UV[i].second; UV[i].first--; UV[i].second--; } ll Q; cin >> Q; VI B(M, INF); REP(i, Q) { ll b; cin >> b; B[b - 1] = i; } VI v(M); REP(i, M) v[i] = i; auto comp = [&](int a, int b) { return B[a] > B[b]; }; sort(all(v), comp); UnionFind uf(N); int ind = 0; ll sum = 0; while (ind < M && B[v[ind]] == INF) { if (uf.isSame(UV[v[ind]].first, UV[v[ind]].second)) { ind++; continue; } sum += uf.treeSize(UV[v[ind]].first) * uf.treeSize(UV[v[ind]].second); uf.unite(UV[v[ind]].first, UV[v[ind]].second); ind++; } VI ans; ll ALL = N * (N - 1) / 2; ans.push_back(ALL - sum); while (ind < M - 1) { if (uf.isSame(UV[v[ind]].first, UV[v[ind]].second)) { ind++; ans.push_back(ans.back()); continue; } sum += uf.treeSize(UV[v[ind]].first) * uf.treeSize(UV[v[ind]].second); uf.unite(UV[v[ind]].first, UV[v[ind]].second); ans.push_back(ALL - sum); ind++; } reverse(all(ans)); for (auto a : ans) { cout << a << endl; } return 0; }