#include <iostream>
#include <math.h>
#include <cstdio>

using namespace std;

#define N 10010

int a[N], sum, ans;

int main()
{
    int n;

    cin >> n;

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

        sum = max(a[i], 0);
    }

    for (int i = 1; i <= n; i++)
    {
        if (a[i] != sum)
        {
            ans += a[i];
        }
    }

    cout << ans << endl;

    return 0;
}

为什么错呢？