LABA

#include <iostream>
using namespace std;
int j=1;
int s;
int p;
int k;
int main()
{
    int arr[100];
    int n;

    cout << "Enter array:" << endl;
    cin >> n;
    if (n <= 1)
        cout << "invalid size" << endl;


    for (int i = 1; i < n+1; i++)
    {
        cout << "a[" << i << "] = ";
        cin >> arr[i];
        if (i%2==0)
            j =arr[i]*j;

    }
    cout << "Multiplication of even-numbered array elements =" << j << endl;

    for (int i = 1; i < n; i++)
    {
        if (arr[i] == 0)
        {
            k = i;
            break;
        }
    }
    for (int i = n ; i >= 0; i--)
        if (arr[i] == 0)
        {
            p = i;
            break;
        }

    for (int i = k; i <= p; i++)
    {
         s += arr[i];
    }
    cout << "Sum=" << s << endl;


    system("pause");
    return 0;
}