std::replace_copy_if with predicate : replace_copy_if « STL Algorithms Modifying sequence operations « C++

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C++ » STL Algorithms Modifying sequence operations » replace_copy_ifScreenshots 
std::replace_copy_if with predicate
 
 


#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 > v4a, a + 10 )// copy of a
   std::vector< int > c210 )// instantiate vector c2
   cout << "Vector v4 before replacing all values greater than 9 and copying:\n;
   std::copy( v4.begin(), v4.end(), output );

   // copy v4 to c2, replacing elements greater than 9 with 100
   std::replace_copy_if(v4.begin(), v4.end(), c2.begin(), greater9, 100 );
   cout << "\nVector c2 after replacing all values greater than in v4:\n   ";

   std::copy( c2.begin(), c2.end(), output );

   cout << endl;
   return 0;
}

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

/* 
Vector v4 before replacing all values greater than 9 and copying:
10 2 10 4 16 6 14 8 12 10
Vector c2 after replacing all values greater than 9 in v4:
   100 2 100 4 100 6 100 8 100 100

 */        
  
Related examples in the same category
1.Use replace_copy_if to print all elements with a value less than 5 replaced with 42
2.Use replace_copy_if to print each element while each odd element is replaced with 0
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