C++11 new feature Range based loop

//new c++11 standard feature

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

int main()
{
    int ia[] = {1,2,3,4,5,6,7,8,9,10};

    vector<int> iv(ia, ia + (sizeof(ia) / sizeof(int)));
   
    for ( int i:ia )
    {
        cout << i << " ";
    }
    cout << endl;
   
    for(int i:iv){
        cout << i << " ";
    }
    cout << endl;
   
    return 0;
}

OUTPUT: