#include using namespace std; typedef signed long long ll; #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 FORR2(x,y,arr) for(auto& [x,y]:arr) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) template bool chmax(T &a, const T &b) { if(a bool chmin(T &a, const T &b) { if(a>b){a=b;return 1;}return 0;} //------------------------------------------------------- int N,K; vector E[202020]; vector D[2]; int G[202020]; int dep[202020],from[202020]; int ret[202020]; int dfs(int cur,int pre) { FORR(e,E[cur]) if(e!=pre) G[cur]|=dfs(e,cur); return G[cur]; } pair farthest(int cur,int pre,int d,vector& D) { D[cur]=d; pair r={d,cur}; FORR(e,E[cur]) if(e!=pre&&G[e]) r=max(r, farthest(e,cur,d+1,D)); return r; } //両端と間の頂点を返す vector> diameter(int root) { // diameter,center D[0].resize(N); D[1].resize(N); auto v1=farthest(root,root,0,D[0]); auto v2=farthest(v1.second,v1.second,0,D[0]); farthest(v2.second,v2.second,0,D[1]); vector> R; for(int i=N-1;i>=0;i--) if(D[0][i]+D[1][i]==v2.first) R.push_back({D[0][i],i}); sort(ALL(R)); return R; } void solve() { int i,j,k,l,r,x,y; string s; cin>>N>>K; FOR(i,N-1) { cin>>x>>y; E[x-1].push_back(y-1); E[y-1].push_back(x-1); } FOR(i,K) { cin>>x; G[x-1]=1; } int root; FOR(i,N) if(G[i]==1) root=i; dfs(root,root); queue Q; FOR(i,N) { if(G[i]==1) from[i]=i, Q.push(i); else dep[i]=1<<20; } while(Q.size()) { int cur=Q.front(); Q.pop(); FORR(e,E[cur]) if(dep[e]>dep[cur]+1) { dep[e]=dep[cur]+1; from[e]=from[cur]; Q.push(e); } } auto v=diameter(root); int len=0; FOR(i,N) if(G[i]) FORR(e,E[i]) len+=G[e]; FOR(i,N) if(G[i]) { ret[i]=len-max(D[0][i],D[1][i]); } FOR(i,N) { if(G[i]==0) ret[i]=dep[i]+ret[from[i]]; cout<