Use indexer to reference elements in a vector : vector subscript indexer « vector « C++ Tutorial

1. C++ Tutorial
2. vector
3. vector subscript indexer

/* The following code example is taken from the book
 * "The C++ Standard Library - A Tutorial and Reference"
 * by Nicolai M. Josuttis, Addison-Wesley, 1999
 *
 * (C) Copyright Nicolai M. Josuttis 1999.
 * Permission to copy, use, modify, sell and distribute this software
 * is granted provided this copyright notice appears in all copies.
 * This software is provided "as is" without express or implied
 * warranty, and with no claim as to its suitability for any purpose.
 */
#include <iostream>
#include <vector>
using namespace std;

int main()
{
    vector<int> coll;    // vector container for integer elements

    // append elements with values 1 to 6
    for (int i=1; i<=6; ++i) {
        coll.push_back(i);
    }

    // print all elements followed by a space
    for (int i=0; i<coll.size(); ++i) {
        cout << coll[i] << ' ';
    }
    cout << endl;
}

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