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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.     int n;
  6.     cin >> n;
  7.  
  8.     int k[100]; // Number of people in each line
  9.     for (int i = 0; i < n; i++) {
  10.         cin >> k[i];
  11.     }
  12.  
  13.     int times[100]; // Total time for each line
  14.  
  15.     // Process each cashier line
  16.     for (int i = 0; i < n; i++) {
  17.         times[i] = 0;
  18.         for (int j = 0; j < k[i]; j++) {
  19.             int m;
  20.             cin >> m;
  21.             times[i] += 5 * m + 15;
  22.         }
  23.     }
  24.  
  25.     // Find the minimum time
  26.     int minTime = times[0];
  27.     for (int i = 1; i < n; i++) {
  28.         if (times[i] < minTime) {
  29.             minTime = times[i];
  30.         }
  31.     }
  32.  
  33.     cout << minTime << endl;
  34.  
  35.     return 0;
  36. }
Success #stdin #stdout 0.01s 5324KB
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https://ideone.com/D3rmms
language:
C++ (gcc 8.3)
created:
4 days ago
visibility:
public

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