Răspuns:
#include <iostream>
using namespace std;
int main()
{
int n,i,s,v[20],nr=0, p=1, ma=0,s2=0;
s=0;
cin >> n;
for (i=1;i<=n;i++)
{
cin >> v[i];
nr++;
}
//a
for(i=1;i<=n;i++)
{
if(v[i]>0)
{
s+=v[i];
}
p *= v[i];
s2+=v[i];
}
ma = s2/nr;
cout << s<< " " << p<< " " << nr<< " " << s2;
return 0;
}
Explicație:
