60分 7 - 10RE，回灌

#include <bits/stdc++.h>
#define ll long long
#define endl "\n"
using namespace std;
int main()
{
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    int n;
    cin >> n;
    int a[10005];
    int maxn = 0;
    for (int i = 1;i <= n;i++){
        cin >> a[i];
        if (a[i] > maxn){
            maxn = a[i];
        }
    }
    int sum = 0;
    for (int i = 1;i <= maxn;i++){
        int num = 0;
        for (int j = 1;j <= n;j++){
            if (a[j] == i){
                num++;
            }
        }
        if (num > 0){
            sum += 5 + num;
        }
        sum += 6;
    }
    sum += maxn * 4;
    cout << sum << endl;
    return 0;
}