func_code_string: #include <bits/stdc++.h>   using namespace std;   inline void read(long long &x) {     long long f = 1;     x = 0;     char c = getchar();     while (c <  0  || c >  9 ) {       if (c ==  - ) f = -1;       c = getchar();     }     while (c >=  0  && c <=  9 ) {       x = x * 10 + c -  0 ;       c = getchar();     }     x *= f;   }   long long fa[200005][21], lg[2 * 200005], deep[200005], dis[200005], w[200005],       t[200005], h[200005], head, n, ans[200005];   struct yyy {     long long to, z, w;     inline void add(long long x, long long y, long long W) {       to = y;       z = h[x];       h[x] = head;       w = W;     }   } a[200005 * 2];   inline void dfs2(long long x, long long pre) {     register long long i;     deep[x] = deep[pre] + 1;     fa[x][0] = pre;     for (i = 1; i <= lg[deep[x]]; i++) fa[x][i] = fa[fa[x][i - 1]][i - 1];     for (i = h[x]; i; i = a[i].z)       if (a[i].to != pre) dis[a[i].to] = dis[x] + a[i].w, dfs2(a[i].to, x);   }   inline void dfs(long long x, long long pre) {     register long long i;     for (i = h[x]; i; i = a[i].z)       if (a[i].to ^ pre) {         dfs(a[i].to, x);         t[x] += t[a[i].to];       }   }   inline void init() {     register long long i, j, k;     for (j = 1, k = 1; j <= n; j <<= 1, k++)       for (i = j; i < j * 2; i++) lg[i] = k;     dfs2(1, 0);   }   signed main() {     register long long i, j, x, y;     read(n);     for (i = 1; i <= n; i++) read(w[i]);     for (i = 2; i <= n; i++) {       read(x);       read(y);       a[++head].add(i, x, y);       a[++head].add(x, i, y);     }     init();     for (i = 2; i <= n; i++) {       x = i;       for (j = lg[deep[i]]; j >= 0; j--)         if (fa[x][j] && dis[i] - dis[fa[x][j]] <= w[i]) x = fa[x][j];       t[fa[x][0]]--;       t[fa[i][0]]++;     }     dfs(1, 0);     for (i = 1; i <= n; i++) printf( %lld  , t[i]);     return 0;   }   