#include <iostream>
#include <vector>
using namespace std;

int main()
{
    vector <int> intvec;
    vector <double> doublevec;
    vector <int> intvec2(5, 3); //creates vector 5 elements, each set to 3
    
    int i;
    for( i = 0; i < 10; ++i){
        intvec.push_back(i);  //like append
        doublevec.push_back(i + .025);
    }
    
    for (i = 0; i < 10; ++i) {
        cout << intvec[i] << " " <<doublevec[i] <<" "<<  intvec2[i] << endl;
    }
}