func_code_string: #include <bits/stdc++.h>   using namespace std;   long long a[5010], b[5010], n, dp[5010];   int main() {     cin >> n;     for (long long i = 1ll; i <= n; i++) scanf( %I64d , &a[i]), b[i] = a[i];     sort(b + 1ll, b + n + 1ll);     dp[0ll] = (long long)1000000000000000007;     for (long long i = 1ll; i <= n; i++) {       for (long long j = 1ll; j <= n; j++) {         dp[j] = min(dp[j - 1ll], dp[j] + abs(b[j] - a[i]));       }     }     cout << dp[n] << endl;     return 0;   }   