func_code_string: #include <bits/stdc++.h>   typedef struct mk {     int v;     struct mk *next;   } roy;   roy *add(roy *head, int v) {     roy *t = (roy *)malloc(sizeof(roy));     t->v = v;     t->next = NULL;     if (head == NULL) return t;     t->next = head;     return t;   }   long long n, a[300010], s[300030], u, v, count;   roy *gp[300030];   void dfs(int x, int p) {     s[x] += a[x];     roy *t = gp[x];     while (t != NULL) {       int y = t->v;       if (y != p) {         dfs(y, x);         if (s[y] > 0) s[x] += s[y];       }       t = t->next;     }   }   void go(int x, int p, long long total) {     s[x] += a[x];     roy *t = gp[x];     while (t != NULL) {       int y = t->v;       if (y != p) {         go(y, x, total);         if (s[y] > 0) s[x] += s[y];       }       t = t->next;     }     if (s[x] == total) s[x] = 0, count++;   }   int main() {     for (int i = 0; i < 300030; i++) gp[i] = NULL;     scanf( %lld , &n);     for (int i = 1; i <= n; i++) scanf( %lld , &a[i]);     for (int i = 1; i < n; i++) {       scanf( %lld%lld , &u, &v);       gp[u] = add(gp[u], v);       gp[v] = add(gp[v], u);     }     dfs(1, -1);     long long mx = -1e18;     for (int i = 1; i <= n; i++) {       mx = (mx < s[i]) ? s[i] : mx;       s[i] = 0;     }     go(1, -1, mx);     printf( %lld %lld n , mx * count, count);     return 0;   }   