#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> typedef long long ll; using namespace __gnu_pbds; using namespace std; template <typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>; ll M = 200'010; vector<ll> ans(M, 0), only(M), depth(M), sajz(M), par(M), is_off(M), cost(M), pre(M), post(M); vector<vector<pair<ll, ll>>> g(M); ll added = 0,nxt; struct SegTree { ll base=1; vector<pair<ll,ll>> T; vector<ll> L; void push(ll v, ll l, ll r) { if(L[v]==0 || v >= base) return; T[l].first += L[v]; T[r].first += L[v]; L[l] += L[v]; L[r] += L[v]; L[v] = 0; } void ustaw(ll x, ll val) { T[x+base].second = val; } void update(ll v, ll a, ll b, ll p, ll k, ll val) { if(b < p || k < a) return; if(p<=a && b<=k) { T[v].first += val; L[v] += val; return; } ll l=2*v; ll r=2*v+1; ll mid=(a+b)/2; push(v,l,r); update(l,a,mid,p,k,val); update(r,mid+1,b,p,k,val); T[v] = max(T[l], T[r]); } SegTree(ll n) { while(base<=n) base*=2; T.resize(2*base); L.resize(2*base); } } st(2*M); void only_dfs(ll v, ll p) { depth[v] = depth[p] + 1; for(auto[u,k] : g[v]) { if(u==p) continue; only[u] += only[v]; only_dfs(u,v); } } void sajz_dfs(ll v, ll p) { sajz[v] = 1; par[v] = p; for(auto[u,k] : g[v]) { if(u==p || is_off[u]) continue; sajz_dfs(u,v); sajz[v] += sajz[u]; } } ll find_centroid(ll v, ll ts) { for(auto[u,k] : g[v]) { if(is_off[u]) continue; if(u==par[v]) { if(ts-sajz[v] > ts/2) return find_centroid(u,ts); } else { if(sajz[u] > ts/2) return find_centroid(u,ts); } } return v; } void pre_dfs(ll v, ll p) { for(auto[u,k] : g[v]) if(u==p) cost[v] = k; pre[v] = ++nxt; st.ustaw(pre[v], v); for(auto[u,k] : g[v]) { if(u==p || is_off[u]) continue; pre_dfs(u,v); } post[v] = ++nxt; st.ustaw(post[v],v); st.update(1,0,st.base-1,pre[v],post[v],cost[v]); } void centroid_decomposition(ll v) { sajz_dfs(v,v); v = find_centroid(v,sajz[v]); sajz_dfs(v,v); nxt=0; cost[v] = 0; pre_dfs(v,v); for(ll i=0; i<nxt; ++i) st.update(1,0,st.base-1,i,i,0); ll cnt = 0; ll res = only[v]; while(st.T[1].first > 0) { cnt++; ll x = st.T[1].second; res += st.T[1].first; while(cost[x] > 0) { st.update(1,0,st.base-1,pre[x],post[x],-cost[x]); cost[x]=0; x=par[x]; } if(cnt > 1) ans[cnt] = max(ans[cnt], res); ans[cnt+1] = max(ans[cnt], res); } is_off[v] = 1; for(auto[u,k] : g[v]) { if(is_off[u]) continue; centroid_decomposition(u); } } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); ll n; cin >> n; ll sum = 0; vector<pair<pair<ll, ll>, pair<ll, ll>>> edges; for(ll i=1; i<n; ++i) { ll a,b,c,d; cin >> a >> b >> c >> d; swap(c,d); g[a].push_back({b,c}); g[b].push_back({a,d}); edges.push_back({{a,c},{b,d}}); sum += c + d; } only_dfs(1,0); for(auto[x,y] : edges) { if(depth[y.first] > depth[x.first]) swap(x,y); auto[a,c] = x; auto[b,d] = y; only[a] += c-d; added += d; } only_dfs(1,0); for(ll i=1; i<=n; ++i) { only[i] += added; ans[1] = max(ans[1], only[i]); } // for(ll i=1; i<=n; ++i) cout << only[i] << " "; cout << "\n"; // cout << sum << "\n"; // cout << "Xd\n"; return 0; // centroid_decomposition(1); ll q; cin >> q; while(q--) { ll x; cin >> x; cout << sum - ans[x] << "\n"; } return 0; }