#pragma GCC optimize(3, "Ofast", "inline", "unroll-loops")
#include <bits/stdc++.h>
#define int long long
using namespace std;
const int N = 300010;
const int inf = 1e18;
const int mod = 1e9 + 7;
int a[N], b[N], res[N];
struct Line
{
int k, b;
} lne[N];
inline int calc(int x, int id)
{
return lne[id].k * x + lne[id].b;
}
namespace My_Hyper_Sgt
{
int indx = 0, tree[N << 2], ls[N << 2], rs[N << 2];
inline void ins(int &rt, int l, int r, int id)
{
if (!rt)
{
tree[rt = ++indx] = id;
return;
}
int mid = l + r >> 1;
if (calc(mid, tree[rt]) > calc(mid, id))
swap(tree[rt], id);
if (calc(l, tree[rt]) > calc(l, id))
ins(ls[rt], l, mid, id);
if (calc(r, tree[rt]) > calc(r, id))
ins(rs[rt], mid + 1, r, id);
}
inline int qry(int rt, int l, int r, int x)
{
if (!rt)
return inf;
int mid = l + r >> 1;
if (x <= mid)
return min(calc(x, tree[rt]), qry(ls[rt], l, mid, x));
return min(calc(x, tree[rt]), qry(rs[rt], mid + 1, r, x));
}
} using namespace My_Hyper_Sgt;
vector<int> adj[N];
inline int merge(int x, int y, int l, int r)
{
if (!x || !y)
return x | y;
ins(x, l, r, tree[y]);
int mid = l + r >> 1;
ls[x] = merge(ls[x], ls[y], l, mid);
rs[x] = merge(rs[x], rs[y], mid + 1, r);
return x;
}
inline void dfs(int u, int fa)
{
for (int &v : adj[u])
if (v != fa)
{
dfs(v, u);
tree[u] = merge(tree[u], tree[v], 1, N - 10);
}
res[u] = qry(tree[u], 1, N - 10, a[u] + 100010);
// cout << "res[" << u << "] = " << res[u] << '\n';
if (res[u] >= inf)
res[u] = 0;
lne[u] = {b[u], res[u] - b[u] * 100010};
ins(tree[u], 1, N - 10, u);
}
signed main()
{
// freopen("1.in", "r", stdin);
// freopen("1.out", "w", stdout);
cin.tie(0)->sync_with_stdio(false);
cout << fixed << setprecision(15);
int n;
cin >> n;
for (int i = 1; i <= n; ++i)
cin >> a[i];
for (int i = 1; i <= n; ++i)
cin >> b[i];
for (int i = 1; i < n; ++i)
{
int a, b;
cin >> a >> b;
adj[a].emplace_back(b);
adj[b].emplace_back(a);
}
dfs(1, 0);
for (int i = 1; i <= n; ++i)
cout << res[i] << ' ';
cout << '\n';
return 0;
}
求调/kel