Insert element by index : vector insert « vector « C++ Tutorial

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C++ Tutorial » vector » vector insert 
16.18.1.Insert element by index
#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 );

   // insert 22 as 2nd element
   integers.insertintegers.begin() 122 );

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

   return 0;
}
Vector integers contains: 1 2 3 4 5 6 2 3 4

Vector integers contains: 1 22 2 3 4 5 6 2 3 4
16.18.vector insert
16.18.1.Insert element by index
16.18.2.Insert 10 duplicate value to vector
16.18.3.Insert one vector to another vector
16.18.4.Insert elements from array
16.18.5.Insert 25 at the beginning
16.18.6.Insert 2 numbers of value 45 at the end
16.18.7.Insert two elements from another container in position [1]
16.18.8.Insert the contents of the array into the end of the vector
16.18.9.Combine insert and end to add elements to the end of vector
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