#include #define rep(i,a,b) for(int i=a;i=b;i--) #define fore(i,a) for(auto &i:a) #define all(x) (x).begin(),(x).end() //#pragma GCC optimize ("-O3") using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); } typedef long long ll; const int inf = INT_MAX / 2; const ll infl = 1LL << 60; templatebool chmax(T& a, const T& b) { if (a < b) { a = b; return 1; } return 0; } templatebool chmin(T& a, const T& b) { if (b < a) { a = b; return 1; } return 0; } //--------------------------------------------------------------------------------------------------- template struct LazySegTree { // [L,R) vector dat, lazy; LazySegTree() { dat.resize(NV * 2, def); lazy.resize(NV * 2, ldef); } void update(int a, int b, V v, int k, int l, int r) { push(k, l, r); if (r <= a || b <= l) return; if (a <= l && r <= b) { setLazy(k, v); push(k, l, r); } else { update(a, b, v, k * 2 + 1, l, (l + r) / 2); update(a, b, v, k * 2 + 2, (l + r) / 2, r); dat[k] = comp(dat[k * 2 + 1], dat[k * 2 + 2]);}} V get(int a, int b, int k, int l, int r) { push(k, l, r); if (r <= a || b <= l) return def; if (a <= l && r <= b) return dat[k]; auto x = get(a, b, k * 2 + 1, l, (l + r) / 2); auto y = get(a, b, k * 2 + 2, (l + r) / 2, r); return comp(x, y);} void update(int a, int b, V v) { update(a, b, v, 0, 0, NV); } V get(int a, int b) { return get(a, b, 0, 0, NV); } // ---- Template --------------------------------------------------------------------------------- // 区間代入,区間和 const V def = 0, ldef = -1; V comp(V l, V r) { return l + r; } void setLazy(int i, V v) { lazy[i] = v; } void push(int k, int l, int r) { if (lazy[k] != ldef) { // modify------------------------------ dat[k] = lazy[k] * (r - l); // ------------------------------------ if (r - l > 1) { setLazy(k * 2 + 1, lazy[k]); setLazy(k * 2 + 2, lazy[k]); } lazy[k] = ldef; } } }; /*---------------------------------------------------------------------------------------------------             ∧_∧       ∧_∧  (´<_` )  Welcome to My Coding Space!      ( ´_ゝ`) /  ⌒i @hamayanhamayan     /   \    | |     /   / ̄ ̄ ̄ ̄/  |   __(__ニつ/  _/ .| .|____      \/____/ (u ⊃ ---------------------------------------------------------------------------------------------------*/ int N; vector E[101010]; LazySegTree st; //--------------------------------------------------------------------------------------------------- int P[101010]; int L1[101010], R1[101010], L2[101010], R2[101010]; int toVID[101010]; void bfs_eulertour() { rep(i, 0, N) { P[i] = -1; L1[i] = L2[i] = inf; R1[i] = R2[i] = -1; } queue que; que.push(0); toVID[0] = 0; int vid = 1; while(!que.empty()) { int cu = que.front(); que.pop(); fore(to, E[cu]) if(P[cu] != to) { que.push(to); P[to] = cu; toVID[to] = vid; vid++; chmin(L1[cu], toVID[to]); chmax(R1[cu], toVID[to]); if (0 <= P[cu]) { chmin(L2[P[cu]], toVID[to]); chmax(R2[P[cu]], toVID[to]); } } } } //--------------------------------------------------------------------------------------------------- void _main() { cin >> N; rep(i, 0, N - 1) { int a, b; cin >> a >> b; E[a].push_back(b); E[b].push_back(a); } bfs_eulertour(); rep(i, 0, N) { int a; cin >> a; st.update(toVID[i], toVID[i] + 1, a); } int Q; cin >> Q; rep(q, 0, Q) { int x; cin >> x; int vx = toVID[x]; ll sm = 0; // 自分の1つ下の子供 if (0 <= L1[vx]) { sm += st.get(L1[vx], R1[vx] + 1); st.update(L1[vx], R1[vx] + 1, 0); } // 自分の2つ下の子供 if (0 <= L2[vx]) { sm += st.get(L2[vx], R2[vx] + 1); st.update(L2[vx], R2[vx] + 1, 0); } // 自分 sm += st.get(vx, vx + 1); st.update(vx, vx + 1, 0); if (0 <= P[x]) { int p = P[x]; int vp = toVID[p]; // 親 sm += st.get(vp, vp + 1); st.update(vp, vp + 1, 0); // 親の子 if (0 <= L1[vp]) { sm += st.get(L1[vp], R1[vp] + 1); st.update(L1[vp], R1[vp] + 1, 0); } if (0 <= P[p]) { int pp = P[p]; int vpp = toVID[pp]; // 親の親 sm += st.get(vpp, vpp + 1); st.update(vpp, vpp + 1, 0); } } printf("%lld\n", sm); st.update(vx, vx + 1, sm); } }