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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define int long long
  4. #define fi first
  5. #define se second
  6.  
  7. signed main(){
  8.     int k;
  9.     cin >> k;
  10.     vector<pair<int, int>> c(k);
  11.     for (int i =0; i < k; i++){
  12.         cin >> c[i].se;
  13.     }
  14.     for (int i =0; i < k; i++){
  15.         cin >> c[i].fi;
  16.     }
  17.     int n;
  18.     cin >> n;
  19.     vector <int> b(n);
  20.     for (int i =0; i <= n; i++){
  21.         cin >> b[i];
  22.     }
  23.     sort(b.begin(), b.end());
  24.     sort(c.begin(), c.end());
  25.     int idx = n-1;
  26.     long long ans = 0;
  27.     for (int i =0; i <k; i++){
  28.         long long res = 0;
  29.         for (int j = idx; j > idx-c[i].se; j--){
  30.             if ( j < 0 || idx <0){
  31.                 break;
  32.             }
  33.             else{
  34.                 res += b[j];
  35.             }
  36.         }
  37.         ans += res*c[i].fi;
  38.         idx -= c[i].se;
  39.  
  40.     }
  41.     cout << ans << endl;
  42. }
Success #stdin #stdout 0.01s 5288KB
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https://ideone.com/WL8fzC
language:
C++ (gcc 8.3)
created:
4 days ago
visibility:
public

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