Use predicate in std::remove_if : remove_if « STL Algorithms Modifying sequence operations « C++

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C++ » STL Algorithms Modifying sequence operations » remove_ifScreenshots 
Use predicate in std::remove_if
  
 

#include <iostream>
using std::cout;
using std::endl;

#include <algorithm>
#include <vector>
#include <iterator>

bool greater9int );

int main()
{
   int a10 1021041661481210 };

   std::ostream_iterator< int > outputcout, " " );

   std::vector< int > v3a, a + 10 )// copy of a
   cout << "Vector v3 before removing all elements"
        << "\ngreater than 9:\n   ";
   std::copyv3.begin(), v3.end(), output );

   // remove elements greater than 9 from v3
   std::vector< int >::iterator newLastElement = std::remove_ifv3.begin(), v3.end(), greater9 );
   cout << "\nVector v3 after removing all elements"
      << "\ngreater than 9:\n   ";
   std::copyv3.begin(), newLastElement, output );

   return 0;
}

bool greater9int )
{
   return x > 9;
}
/* 
Vector v3 before removing all elements
greater than 9:
   10 2 10 4 16 6 14 8 12 10
Vector v3 after removing all elements
greater than 9:
   2 4 6 8 
 */
        
    
  
Related examples in the same category
1.remove_if for list
2.Removing All Matching Elements
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