std::find_if with predicate : find if « STL Algorithms Non modifying sequence operations « C++

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C++ » STL Algorithms Non modifying sequence operations » find ifScreenshots 
std::find_if with predicate
  
 


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

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

bool greater10int value );

int main()
{
   int a10 102175168131120};
   std::vector< int > va, a + 10 )// copy of a
   std::ostream_iterator< int > outputcout, " " );

   cout << "Vector v contains: ";
   std::copyv.begin(), v.end(), output )// display output vector

   // locate first occurrence of 16 in v
   std::vector< int >::iterator location;
   // locate first occurrence of value greater than 10 in v
   location = std::find_ifv.begin(), v.end(), greater10 );

   if location != v.end() ) // found value greater than 10
      cout << "\n\nThe first value greater than 10 is " << *location
         << "\nfound at location " << location - v.begin() );
   else // value greater than 10 not found
      cout << "\n\nNo values greater than 10 were found";

   cout << endl;
   return 0;
}
bool greater10int value )
{
   return value > 10;
}
/* 
Vector v contains: 10 2 17 5 16 8 13 11 20 7

The first value greater than 10 is 17
found at location 2

 */
        
    
  
Related examples in the same category
1.Use find_if to find first element divisible by 3
2.Use find_if to find first element greater than 3
3.map: find_if
4.Find all strings that are less than 4 characters long
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