Shared code

#include <bits/stdc++.h>
using namespace std;
 
#define nl "\n"
#define nf endl
#define ll long long
#define pb push_back
#define _ << ' ' <<
 
#define INF (ll)1e18
#define mod 998244353
#define maxn 110
 
int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
 
    #if !ONLINE_JUDGE && !EVAL
        ifstream cin("input.txt");
        ofstream cout("output.txt");
    #endif
 
    ll n; cin >> n;
    vector<ll> a(n + 1, 0);
    ll start = 0;
    for (ll i = 1; i <= n; i++) cin >> a[i], start += a[i];
 
    priority_queue<ll> pq;
    for (ll i = 1; i <= n; i++) {
        pq.push(a[i]); pq.push(a[i]); pq.pop();
    }
    pq.push(0);
 
    ll bonus = 0, curr_slope = 0, curr_pos = INF;
    while (!pq.empty()) {
        ll x = pq.top(); pq.pop();
        bonus += (curr_slope * (curr_pos - x));
        // cout << curr_slope _ curr_pos _ x << nl;
        curr_pos = x; curr_slope++;
    }
 
    ll ans = start - bonus;
    cout << ans << nl;
 
    return 0;
}