卖菜

 

#include <iostream>

using namespace std;



int main()
{
    int n;

    cin >> n;
    int a[n+5];
    for(int i=1; i<=n; i++)
        cin >> a[i];

    for(int i=1; i<=n; i++)
    {
        if(i == 1)
            cout << (int)(a[1]+a[2])/2 << " ";
        else if(i == n)
            cout << (int)(a[n-1]+a[n])/2 << endl;
        else cout << (int)(a[i-1]+a[i]+a[i+1])/3 << " ";
    }
    return 0;
}