vector

#include <iostream>
#include <vector>
using namespace std;
int main()
{
    vector <int> v;
    int i, k = 3;
    cout<<"Enter three numbers."<<endl;
    while(k--)
    {
        cin>>i;
        v.push_back(i);
    }
    cout<<"The size of the vector is "<<v.size() <<endl;
    v.pop_back();
    for(i = 0; i < v.size();i++)
    {
        cout<<v[i]<<endl;
    }
    return 0;


}