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vector::push_back

Adds an element to the end of the vector.

void push_back( 
   const Type& _Val 
);

_Val

The element added to the end of the vector.

// vector_push_back.cpp
// compile with: /EHsc
#include <vector>
#include <iostream>

int main( )
{
   using namespace std;   
   vector <int> v1;
   
   v1.push_back( 1 );
   if ( v1.size( ) != 0 )
      cout << "Last element: " << v1.back( ) << endl;

   v1.push_back( 2 );
   if ( v1.size( ) != 0 )
      cout << "New last element: " << v1.back( ) << endl;
}
Last element: 1 New last element: 2

Header: <vector>

Namespace: std

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