#include using namespace std; typedef signed long long ll; #undef _P #define _P(...) (void)printf(__VA_ARGS__) #define FOR(x,to) for(x=0;x<(to);x++) #define FORR(x,arr) for(auto& x:arr) #define ITR(x,c) for(__typeof(c.begin()) x=c.begin();x!=c.end();x++) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) //------------------------------------------------------- int N,M,Q; vector E[101010]; int D[101010]; void solve() { int i,j,k,l,r,x,y; string s; cin>>N>>M; FOR(i,M) { cin>>x>>y; E[x].push_back(y); E[y].push_back(x); } cin>>Q; FOR(i,Q) { cin>>x; FOR(j,N) D[j+1]=1<<20; int num=0,ma=0; D[x]=0; queue QQ; QQ.push(x); while(QQ.size()) { y=QQ.front(); QQ.pop(); num++; ma=max(ma,D[y]); FORR(e,E[y]) if(D[e]>D[y]+1) { D[e]=D[y]+1; QQ.push(e); } } int ret=0; while(1<