#include using namespace std; #define FOR(i,m,n) for(int i=(m);i<(n);++i) #define REP(i,n) FOR(i,0,n) using ll = long long; constexpr int INF = 0x3f3f3f3f; constexpr long long LINF = 0x3f3f3f3f3f3f3f3fLL; constexpr double EPS = 1e-8; constexpr int MOD = 998244353; // constexpr int MOD = 1000000007; constexpr int DY4[]{1, 0, -1, 0}, DX4[]{0, -1, 0, 1}; constexpr int DY8[]{1, 1, 0, -1, -1, -1, 0, 1}; constexpr int DX8[]{0, -1, -1, -1, 0, 1, 1, 1}; template inline bool chmax(T& a, U b) { return a < b ? (a = b, true) : false; } template inline bool chmin(T& a, U b) { return a > b ? (a = b, true) : false; } struct IOSetup { IOSetup() { std::cin.tie(nullptr); std::ios_base::sync_with_stdio(false); std::cout << fixed << setprecision(20); } } iosetup; int main() { int n; cin >> n; vector> graph(n); REP(_, n - 1) { int a, b; cin >> a >> b; --a; --b; graph[a].emplace_back(b); graph[b].emplace_back(a); } int m; cin >> m; vector ghost(n, -1), treated(n, false); vector> inv(n); REP(i, m) { int v; cin >> v; --v; ghost[v] = i; treated[v] = true; inv[v].emplace(i); for (const int e : graph[v]) { treated[e] = true; inv[e].emplace(i); } } vector> under(m); REP(i, n) { if (inv[i].size() == 1) under[*inv[i].begin()].emplace(i); } const int night = ranges::count(treated, true); REP(v, n) { int ans = night; if (treated[v]) --ans; for (const int adj : graph[v]) { if (!treated[adj]) continue; if (ghost[adj] != -1) { // 外にいたずらしない ans -= under[ghost[adj]].size(); if (under[ghost[adj]].contains(adj)) ++ans; if (under[ghost[adj]].contains(v)) ++ans; } if (inv[adj].empty() || (inv[adj].size() == 1 && (inv[adj].contains(ghost[v]) || inv[adj].contains(ghost[adj]))) || (inv[adj].size() == 2 && inv[adj].contains(ghost[v]) && inv[adj].contains(ghost[adj]))) { --ans; } } cout << ans << '\n'; } return 0; }