Read n numbers and determine the largest negative number

#include <iostream>

using namespace std;

int main()
{
    int i, n, a[100], neg=0, max;
    cin >> n;
    for(i=0;i<n;i++)
    {
        cin >> a[i];
        if(a[i]<0)
        {
            neg++;
        }
    }
    if(neg==0)
    {
        cout << "No Negative numbers in the array";
    }
    else
    {
        max = a[0];
        for(i=0;i<n;i++)
        {
            if(a[i]<0)
            {
                if(a[i]>max)
                {
                    max = a[i];
                }
            }
        }
        cout << "Largest negative number is " << max;
    }
    return 0;
}