Copy elements from vector to another vector, removing elements greater than 9 (remove_copy_if) : remove_if « STL Algorithms Modifying sequence operations « C++ Tutorial

1. C++ Tutorial
2. STL Algorithms Modifying sequence operations
3. remove_if

#include <iostream>
#include <algorithm>
#include <vector>

using namespace std;

bool greater9( int );

int main()
{ 
   const int SIZE = 10;
   int a[ SIZE ] = { 10, 2, 10, 4, 16, 6, 14, 8, 12, 10 };

   // Remove 10 from v
   vector< int > v( a, a + SIZE );
   vector< int >::iterator newLastElement;
   newLastElement = remove( v.begin(), v.end(), 10 );

   // Copy elements from v4 to c, removing elements greater than 9
   vector< int > v4( a, a + SIZE );
   vector< int > c2( SIZE, 0 );
   remove_copy_if( v4.begin(), v4.end(), c2.begin(), greater9 );

   cout << endl;
   return 0;
}

bool greater9( int x )
{
   return x > 9;
}