#include #pragma GCC diagnostic ignored "-Wsign-compare" #pragma GCC diagnostic ignored "-Wsign-conversion" #define NDEBUG #define SHOW(...) static_cast(0) //!===========================================================!// //! dP dP dP !// //! 88 88 88 !// //! 88aaaaa88a .d8888b. .d8888b. .d888b88 .d8888b. 88d888b. !// //! 88 88 88ooood8 88' '88 88' '88 88ooood8 88' '88 !// //! 88 88 88. ... 88. .88 88. .88 88. ... 88 !// //! dP dP '88888P' '88888P8 '88888P8 '88888P' dP !// //!===========================================================!// using ld = long double; using uint = unsigned int; using ll = long long; using ull = unsigned long long; constexpr unsigned int MOD = 1000000007; template constexpr T INF = std::numeric_limits::max() / 4; template constexpr F PI = static_cast(3.1415926535897932385); std::mt19937 mt{std::random_device{}()}; template bool chmin(T& a, const T& b) { return a = std::min(a, b), a == b; } template bool chmax(T& a, const T& b) { return a = std::max(a, b), a == b; } template std::vector Vec(const std::size_t n, T v) { return std::vector(n, v); } template auto Vec(const std::size_t n, Args... args) { return std::vector(n, Vec(args...)); } template constexpr T popCount(const T u) { #ifdef __has_builtin return u == 0 ? T(0) : (T)__builtin_popcountll(u); #else unsigned long long v = static_cast(u); return v = (v & 0x5555555555555555ULL) + (v >> 1 & 0x5555555555555555ULL), v = (v & 0x3333333333333333ULL) + (v >> 2 & 0x3333333333333333ULL), v = (v + (v >> 4)) & 0x0F0F0F0F0F0F0F0FULL, static_cast(v * 0x0101010101010101ULL >> 56 & 0x7f); #endif } template constexpr T log2p1(const T u) { #ifdef __has_builtin return u == 0 ? T(0) : T(64 - __builtin_clzll(u)); #else unsigned long long v = static_cast(u); return v = static_cast(v), v |= (v >> 1), v |= (v >> 2), v |= (v >> 4), v |= (v >> 8), v |= (v >> 16), v |= (v >> 32), popCount(v); #endif } template constexpr T clog(const T v) { return v == 0 ? T(0) : log2p1(v - 1); } template constexpr T msbp1(const T v) { return log2p1(v); } template constexpr T lsbp1(const T v) { #ifdef __has_builtin return __builtin_ffsll(v); #else return v == 0 ? T(0) : popCount((v & (-v)) - T(1)) + T(1); #endif } template constexpr bool ispow2(const T v) { return popCount(v) == 1; } template constexpr T ceil2(const T v) { return v == 0 ? T(1) : T(1) << log2p1(v - 1); } template constexpr T floor2(const T v) { return v == 0 ? T(0) : T(1) << (log2p1(v) - 1); } //!=================================================!// //! .88888. dP !// //! d8' '88 88 !// //! 88 88d888b. .d8888b. 88d888b. 88d888b. !// //! 88 YP88 88' '88 88' '88 88' '88 88' '88 !// //! Y8. .88 88 88. .88 88. .88 88 88 !// //! '88888' dP '88888P8 88Y888P' dP dP !// //! 88 !// //! dP !// //!=================================================!// struct Graph { Graph(const std::size_t v) : V{v}, edge(v), rev_edge(v) {} void addEdge(const std::size_t from, const std::size_t to, const bool bi = false) { assert(from < V), assert(to < V); edge[from].push_back(to), rev_edge[to].push_back(from); if (bi) { addEdge(to, from, false); } } const std::vector& operator[](const std::size_t i) const { return assert(i < V), edge[i]; } void debugPrint() const { std::cerr << "[\n"; for (std::size_t i = 0; i < V; i++) { for (const std::size_t to : edge[i]) { std::cerr << i << "->" << to << "\n"; } } std::cerr << "]\n"; } std::size_t V; std::vector> edge, rev_edge; }; //!============================================!// //! 8888ba.88ba oo !// //! 88 '8b '8b !// //! 88 88 88 .d8888b. dP 88d888b. !// //! 88 88 88 88' '88 88 88' '88 !// //! 88 88 88 88. .88 88 88 88 !// //! dP dP dP '88888P8 dP dP dP !// //!============================================!// int main() { int N, M; std::cin >> N >> M; Graph G(N); for (int i = 0, p, q; i < M; i++) { std::cin >> p >> q, p--, q--; G.addEdge(p, q, true); } int Q; std::cin >> Q; for (int q = 0, A; q < Q; q++) { std::cin >> A, A--; std::vector D(N, INF); std::queue Q; D[A] = 0, Q.push(A); while (not Q.empty()) { const int s = Q.front(); Q.pop(); for (const int to : G[s]) { if (D[to] == INF) { D[to] = D[s] + 1, Q.push(to); } } } int total = 0, far = 0, ans = 0; for (int i = 0; i < N; i++) { if (D[i] != INF) { total++, chmax(far, D[i]); } } for (; far > 1; ans++, (far += 1) /= 2) {} std::cout << total - 1 << " " << ans << std::endl; } return 0; }