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

// function that prints the passed argument
void print (int elem)
{
    cout << elem << ' ';
}

int main()
{
    vector<int> coll;

    // insert elements from 1 to 9
    for (int i=1; i<=9; ++i) {
        coll.push_back(i);
    }

    // print all elements
    for_each (coll.begin(), coll.end(),    // range
              print);                      // operation
    cout << endl;
}