#include #include #include #include #include #include template struct Edge { int from, to; Cost cost; Edge(int from = -1, int to = -1, Cost cost = 1) : from(from), to(to), cost(cost){}; bool operator<(const Edge& e) const { return this->cost < e.cost; } bool operator>(const Edge& e) const { return this->cost > e.cost; } }; template class Graph { public: int size; std::vector>> path; explicit Graph(int N = 0) : size(N), path(size) {} void span(int from, int to, Cost cost = 1) { path[from].push_back(Edge(from, to, cost)); } std::vector>& operator[](int v) { return path[v]; } }; const int INF = std::numeric_limits::max() / 3; class UnionFind { private: std::vector par, num; int find(int v) { return (par[v] == v) ? v : (par[v] = find(par[v])); } public: explicit UnionFind(int N) : par(N), num(N, 1) { std::iota(par.begin(), par.end(), 0); } void unite(int u, int v) { u = find(u), v = find(v); if (u == v) return; if (num[u] < num[v]) std::swap(u, v); num[u] += num[v]; par[v] = u; } bool same(int u, int v) { return find(u) == find(v); } bool ispar(int v) { return v == find(v); } int size(int v) { return num[find(v)]; } }; template std::vector dijkstra(Graph& graph, std::vector ss) { std::vector dist(graph.size, INF); std::priority_queue, std::vector>, std::greater>> que; for (auto s : ss) { dist[s] = 0; que.emplace(0, s); } while (!que.empty()) { int v; Cost d; std::tie(d, v) = que.top(); que.pop(); if (d > dist[v]) continue; for (auto e : graph[v]) { if (dist[e.to] <= dist[v] + e.cost) continue; dist[e.to] = dist[v] + e.cost; que.emplace(dist[e.to], e.to); } } return dist; } int main() { int N, M; std::cin >> N >> M; Graph<> graph(N); UnionFind uf(N); for (int i = 0; i < M; ++i) { int p, q; std::cin >> p >> q; --p, --q; graph.span(p, q); graph.span(q, p); uf.unite(p, q); } int Q; std::cin >> Q; for (int q = 0; q < Q; ++q) { int a; std::cin >> a; --a; std::cout << uf.size(a) - 1 << " "; auto dist = dijkstra<>(graph, {a}); int max = 1; for (auto d : dist) { if (0 < d && d < INF) max = std::max(max, d); } int day; for (day = 0; (1 << day) < max; ++day) {} std::cout << day << std::endl; } return 0; }