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  1.     #include <bits/stdc++.h>
  2.     using namespace std;
  3.     #define MAX 50005
  4.     #define mp make_pair
  5.     #define pb push_back
  6.     #define in(n) insert(n)
  7.     #define mod 1000000007
  8.     vector <int> vec[MAX];
  9.     long long arr[MAX], val[MAX], lazy[MAX];
  10.     int par[MAX], vis[MAX];
  11.  
  12.     void dfs(int node) {
  13.       vis[node] = 1;
  14.       if (vec[node].size() == 0) {
  15.         arr[node] += lazy[node];
  16.         val[node] += lazy[node];
  17.         arr[node] %= mod;
  18.         val[node] %= mod;
  19.         return ;
  20.       }
  21.       for (int i = 0 ; i < vec[node].size() ; i++) {
  22.         if (vis[vec[node][i]] == 0) {
  23.           dfs(vec[node][i]);
  24.           lazy[node] += lazy[vec[node][i]];
  25.            lazy[node] %= mod;
  26.           val[node] += val[vec[node][i]];
  27.           val[node] %= mod;
  28.         } 
  29.       }
  30.       val[node] += lazy[node];
  31.       arr[node] += lazy[node];
  32.         arr[node] %= mod;
  33.         val[node] %= mod;
  34.     }
  35.  
  36.     int main() {
  37.  
  38.       int t, m, n, q, x, y, i, j;
  39.       char dec[10];
  40.       scanf("%d", &t);
  41.       while (t--) {
  42.         scanf("%d %d %d", &n, &m, &q);
  43.         for (i = 1 ; i <= n ; i++) {
  44.            scanf("%d", &par[i]);
  45.            vec[par[i]].pb(i);
  46.            arr[i] = lazy[i] = vis[i] = val[i] = 0;
  47.         }
  48.         while (m--) {
  49.           scanf(" %s %d %d", dec, &x, &y);
  50.           if (strcmp(dec, "ADD") == 0) {
  51.             arr[x] += y;
  52.             val[x] += y;
  53.           } 
  54.           else {
  55.             lazy[x] += y;
  56.           }
  57.        }
  58.        dfs(1);
  59.        while (q--) {
  60.          scanf(" %s %d", dec, &x);
  61.          if (strcmp(dec, "VALTREE") == 0) {
  62.             printf("%lld\n", val[x]);
  63.          } 
  64.          else {
  65.             printf("%lld\n", arr[x]);
  66.          } 
  67.        }
  68.        }       
  69.        return 0;
  70.     }
Runtime error #stdin #stdout 0.02s 5872KB
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https://ideone.com/H0fZZR
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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