用C++求读入9个双精度的数,把它们存放在一个存储块里,然后求出它们的积,使用动态 用C++求读入9

//---------------------------------------------------------------------------
#include <iostream>
#include <vector>

using namespace std;
int main(void)
{
vector<double> vd;
int n;
double c,s=1;
cout<<"n=";
cin>>n;
for (int i=0; i<n; i++) {
cin>>c;
vd.push_back(c);
s*=c;
}
cout<<s<<endl;
return 0;
}
//---------------------------------------------------------------------------