Mega Code Archive
Use predicate in std
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#include <iostream>
using std::cout;
using std::endl;
#include <algorithm>
#include <vector>
#include <iterator>
bool greater9( int );
int main()
{
int a[ 10 ] = { 10, 2, 10, 4, 16, 6, 14, 8, 12, 10 };
std::ostream_iterator< int > output( cout, " " );
std::vector< int > v3( a, a + 10 ); // copy of a
cout << "Vector v3 before removing all elements"
<< "\ngreater than 9:\n ";
std::copy( v3.begin(), v3.end(), output );
// remove elements greater than 9 from v3
std::vector< int >::iterator newLastElement = std::remove_if( v3.begin(), v3.end(), greater9 );
cout << "\nVector v3 after removing all elements"
<< "\ngreater than 9:\n ";
std::copy( v3.begin(), newLastElement, output );
return 0;
}
bool greater9( int x )
{
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
*/
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