#include <iostream>
#include <list>
#include <algorithm>
#include <functional>
#include <numeric>
#include <cmath>
#include "print.hpp"
using namespace std;

class IntSequence {
  private:
    int value;
  public:
    // constructor
    IntSequence (int initialValue)
     : value(initialValue) {
    }

    // ``function call''
    int operator() () {
        return value++;
    }
};

inline int square (int x) 
{
	return x * x;	
}



int main()
{
    list<int> coll;
    list<int> odds;
    int min_val = 0;
    int max_val = 0;
    
    cout << "Please enter minimum maximum values = ";
    cin >> min_val >> max_val;
	
	 
    // ENUMERATE values from min_val to max_val
            
    generate_n (back_inserter(coll),    // start
                max_val-min_val+1,         // number of elements
           IntSequence(min_val));        // generates values

    PRINT_ELEMENTS(coll,"original sequence: ");
    
    // FILTER even elements
    
    remove_copy_if (coll.begin(), coll.end(), // source range
    			back_inserter(odds), //destination range
    			not1(bind2nd(modulus<int>(),2)));
    			
  	PRINT_ELEMENTS(odds,"odd members:   ");	
  	
  	// MAP square odds
	
	transform (odds.begin(), odds.end(),      // source range
              odds.begin(),            // destination range
               square);  // operation
               
    PRINT_ELEMENTS(odds,"square of odds:   ");
    
    
    // ACCUMULATE *,1
    
    cout << "product of square of odds: "
    	 << accumulate (odds.begin(), odds.end(), //source range
    				1, // initial value
    				multiplies<int>())
    	 << endl;
    

}