func_code_string: #include <bits/stdc++.h>   template <typename Arg1>   void __f(const char* name, Arg1&& arg1) {     std::cout << name <<   :   << arg1 <<   n ;   }   template <typename Arg1, typename... Args>   void __f(const char* names, Arg1&& arg1, Args&&... args) {     const char* comma = strchr(names + 1,  , );     std::cout.write(names, comma - names) <<   :   << arg1 <<   |  ;     __f(comma + 1, args...);   }   using namespace std;   int main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     cout.tie(NULL);     long long i, j, n, m, k, cnt = 0, ans = 0, t = 1;     cin >> n;     long long a[n];     for (i = 0; i < n; i++) cin >> a[i];     priority_queue<long long, vector<long long>, greater<long long> > pq;     for (i = 0; i < n; i++) {       if (!pq.empty() && pq.top() < a[i]) {         ans += (a[i] - pq.top());         pq.pop();         pq.push(a[i]);       }       pq.push(a[i]);     }     return cout << ans, 0;     return 0;   }   