#include using namespace std; using LL = long long; const LL LINF = 1e18; class Edge{ public: int from,to; LL cost; Edge(int f, int t,LL c){ from = f; to = t; cost = c; } }; std::vector dijkstra(int s,int N,vector E){ std::vector ans(N,LINF); std::vector> Edges(N); for(auto e : E){ Edges.at(e.from).push_back(e); } queue> que; ans.at(s)= 0; que.push(make_pair(0,s)); while(!que.empty()){ pair p = que.front();que.pop(); if(ans.at(p.second) < p.first)continue; for(int i = 0;i < Edges.at(p.second).size();i++){ if(ans.at(Edges.at(p.second).at(i).to) != LINF)continue; if(ans.at(p.second) + Edges.at(p.second).at(i).cost < ans.at(Edges.at(p.second).at(i).to)){ ans.at(Edges.at(p.second).at(i).to) = ans.at(p.second) + Edges.at(p.second).at(i).cost; que.push(make_pair(ans.at(Edges.at(p.second).at(i).to),Edges.at(p.second).at(i).to)); } } } return ans; } int main(){ int N,M; cin >> N >> M; vector Edges; for(int i = 0;i < M;i++){ int p,q;cin >> p >> q; p--,q--; Edges.push_back(Edge(p,q,1)); Edges.push_back(Edge(q,p,1)); } int Q;cin >> Q; for(int i = 0;i < Q;i++){ int A;cin >> A; A--; vector dis = dijkstra(A, N, Edges); LL d = 0; LL cnt = 0; for(int j = 0;j < N;j++){ if(dis.at(j) != LINF){ d = max(d, dis.at(j)); cnt++; } } int ans = 0; if(d != 0)ans = ceil(log2(d)); cout<