Remove value from vector with condition with remove_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 );

   // Remove elements greater than 9 from v3
   vector< int > v3( a, a + SIZE );
   newLastElement = remove_if( v3.begin(), v3.end(), greater9 );

   return 0;
}

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