func_code_string: #include <bits/stdc++.h>   using namespace std;   long long int v[300001], sol[300001], S;   int cnt = 0, marked[300001], dp[300001][2];   vector<int> g[300001];   long long int dfs(int node, int p) {     sol[node] = v[node];     long long int res = sol[node];     for (auto it : g[node])       if (it != p) {         res = max(res, dfs(it, node));         if (sol[it] > 0) sol[node] += sol[it];       }     res = max(res, sol[node]);     return res;   }   void getcnt(int node, int p) {     for (auto it : g[node])       if (it != p) {         getcnt(it, node);         if (sol[it] > 0 && marked[it]) marked[node] = 1;       }     if (!marked[node] && sol[node] == S) {       cnt++;       marked[node] = 1;     }   }   int main() {     ios::sync_with_stdio(false);     cin.tie(NULL);     cout.tie(NULL);     int n, m, i, a, b, k;     cin >> n;     for (i = 0; i < n; i++) cin >> v[i];     for (i = 0; i < n - 1; i++) {       int u, v;       cin >> u >> v;       g[u - 1].push_back(v - 1);       g[v - 1].push_back(u - 1);     }     S = dfs(0, 0);     getcnt(0, 0);     cout << S * cnt <<     << cnt <<   n ;     return 0;   }   