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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define int long long int 
  4. #define pb emplace_back
  5.  
  6. signed main()
  7. {
  8.  
  9.     int n, i, x, ans = 0;
  10.  
  11.     cin >> n;
  12.     vector<int> a(n, 0);
  13.     priority_queue<int> pq;
  14.  
  15.     for (i = 0; i < n; i++)
  16.     {
  17.         cin >> a[i];
  18.         pq.push(a[i]);
  19.  
  20.         x = pq.top() - a[i];
  21.  
  22.         ans += x;
  23.         pq.pop();
  24.         pq.push(a[i]);
  25.     }
  26.     cout << ans << endl;
  27. }
Success #stdin #stdout 0s 5640KB
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https://ideone.com/Fu5m8T
language:
C++14 (gcc 8.3)
created:
3 years ago
visibility:
secret

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