// includes {{{ #include #include #include #include #include #include #include #include #include #include #include #include #include // #include // #include // #include // #include // #include // }}} using namespace std; using ll = long long; // #undef DEBUG // #define DEBUG // DEBUG {{{ #include #include #include #include #include #include #include #include #include template < int n, class... T > typename std::enable_if< (n >= sizeof...(T)) >::type __output_tuple( std::ostream &, std::tuple< T... > const &) {} template < int n, class... T > typename std::enable_if< (n < sizeof...(T)) >::type __output_tuple( std::ostream &os, std::tuple< T... > const &t) { os << (n == 0 ? "" : ", ") << std::get< n >(t); __output_tuple< n + 1 >(os, t); } template < class... T > std::ostream &operator<<(std::ostream &os, std::tuple< T... > const &t) { os << "("; __output_tuple< 0 >(os, t); os << ")"; return os; } template < class T, class U > std::ostream &operator<<(std::ostream &os, std::pair< T, U > const &p) { os << "(" << p.first << ", " << p.second << ")"; return os; } template < class T > std::ostream &operator<<(std::ostream &os, const std::stack< T > &a) { os << "{"; for(auto tmp = a; tmp.size(); tmp.pop()) os << (a.size() == tmp.size() ? "" : ", ") << tmp.top(); os << "}"; return os; } template < class T, class Container, class Compare > std::ostream &operator<<(std::ostream &os, std::priority_queue< T, Container, Compare > a) { os << "{ (top) "; while(a.size()) os << a.top() << (a.size() == 1 ? "" : ", "), a.pop(); os << " }"; return os; } template < class T, class Container > std::ostream &operator<<(std::ostream &os, std::queue< T, Container > a) { os << "{ "; while(a.size()) os << a.front() << (a.size() == 1 ? "" : ", "), a.pop(); os << " }"; return os; } #ifdef DEBUG #if !defined(DEBUG_OUT) #define DEBUG_OUT std::cerr #endif #define dump(...) \ [&]() { \ auto __debug_tap = std::make_tuple(__VA_ARGS__); \ DEBUG_OUT << "[" << __LINE__ << "] " << #__VA_ARGS__ << " = " << __debug_tap \ << std::endl; \ }() template < class T > inline void dump2D(T &d, size_t sizey, size_t sizex) { for(size_t i = 0; i < sizey; i++) { DEBUG_OUT << "\t"; for(size_t j = 0; j < sizex; j++) DEBUG_OUT << d[i][j] << (j + 1 == sizex ? "" : "\t"); DEBUG_OUT << std::endl; } } template < class T > inline void dump1D(T &d, size_t sizey) { for(size_t i = 0; i < sizey; i++) { DEBUG_OUT << d[i] << (i + 1 == sizey ? "" : " "); } DEBUG_OUT << std::endl; } template < class T, class = typename std::iterator_traits< decltype(begin(T())) >::value_type, class = typename std::enable_if< !std::is_same< T, std::string >::value >::type > std::ostream &operator<<(std::ostream &os, const T &a) { os << "{"; for(auto ite = begin(a); ite != end(a); ++ite) os << (ite == begin(a) ? "" : ", ") << *ite; os << "}"; return os; } #else #define dump(...) (42) #define dump2D(...) (42) #define dump1D(...) (42) template < class T, class = typename std::iterator_traits< decltype(begin(T())) >::value_type, class = typename std::enable_if< !std::is_same< T, std::string >::value >::type > std::ostream &operator<<(std::ostream &os, const T &a) { for(auto ite = begin(a); ite != end(a); ++ite) os << (ite == begin(a) ? "" : " ") << *ite; return os; } #endif // }}} int lg(int x) { int n = 0, t = 1; while(t < x) t <<= 1, n++; return n; } const int N = 1e5; std::vector> g; int n, m; int dist[N][3]; void bfs(int f, int i, vector & v) { queue> q; q.emplace(i, 0); dist[i][f] = 0; while(q.size()) { int i, d; tie(i, d) = q.front(); dist[i][f] = d; v.emplace_back(i); q.pop(); for(auto j : g[i]) { if(dist[j][f] == -1) { dist[j][f] = d + 1; q.emplace(j, d + 1); } } } } int main() { std::ios::sync_with_stdio(false), std::cin.tie(0); cin >> n >> m; g.resize(n); for(int i = 0; i < m; i++) { int a, b; std::cin >> a >> b; a--; b--; g[a].emplace_back(b); g[b].emplace_back(a); } vector ans1(n); vector ans2(n); int q; cin >> q; while(q--) { memset(dist, -1, sizeof dist); int a; cin >> a; a--; vector v; bfs(0, a, v); ans1[a] = v.size()-1; for(auto e : v) { ans2[a] = max(lg(dist[e][0]), ans2[a]); } cout << ans1[a] << " " << ans2[a] << "\n"; } return 0; }