#include <iostream>
#include<vector>
using namespace std;
vector<int>a;//create a vector
int main()
{
int n=10,temp;
for(int i=0;i<n;i++)
{
cin>>temp;
a.push_back(temp);//insert the element to the last position in the vector
}
int mean=0;
for(int i=0;i<n;i++)
{
cout<<"Element "<<i<<":"<<a[i]<<endl;
mean+=a[i];//you can access the elements as you do in an array
}
cout<<"mean:"<<mean/10<<endl;
a.clear();//clear the vector
a.push_back(10);
cout<<a[0]<<endl;
return 0;
}
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