Посиделки у Дена

#define _USE_MATH_DEFINES
#include <iostream>
#include <conio.h>
#include <string>
#include <set>
#include <map>
#include <algorithm>
#include <string>
#include <math.h>
#include <vector>
#include <cmath>

using namespace std;

int main()
{
    long double n, a[101], sum=0, drink;

    cin >> n;
    for (int i = 1; i <= n; i++)
    {
        cin >> a[i];
        sum += a[i];
    }

    drink = sum / (n+1);

    sum = 0;
    for (int i = 1; i <= n; i++)
    {
        a[i] -= drink;
        if (a[i] < 0)
            a[i] = 0;
        sum += a[i];
    }

    for (int i = 1; i <= n; i++)
    {
        a[i] = floor(100/(sum / a[i])+0.00001);
    }

    for (int i = 1; i <= n; i++)
    {
        cout << a[i] << " ";
    }
    system("pause");
    return 0;
}