Get the first element in a vector : vector front « vector « C++ Tutorial

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C++ Tutorial » vector » vector front 
16.16.1.Get the first element in a vector
#include <iostream>
using std::cout;
using std::endl;

#include <vector>    // vector class-template definition
#include <algorithm> // copy algorithm
#include <iterator>  // ostream_iterator iterator
#include <stdexcept> // out_of_range exception

int main()
{
   int array12345};
   std::vector< int > integersarray, array + );
   std::ostream_iterator< int > outputcout, " " );

   integers.push_back);
   integers.push_back);
   integers.push_back);

   cout << "Vector integers contains: ";
   std::copyintegers.begin(), integers.end(), output );

   cout << "\nFirst element of integers: " << integers.front();

   return 0;
}
Vector integers contains: 1 2 3 4 5 6 2 3 4
First element of integers: 1
16.16.vector front
16.16.1.Get the first element in a vector
16.16.2.Demonstrating the STL vector front and erase operations.
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