/**********************************************************************

  Chapter:   7      Templates Generic Programming and STL

  C++ for C Programmers, Edition 3     By Ira Pohl

********************************************************************/

#include <iostream>
#include <numeric>  // for algorithm "accumulate"
#include <list>     // for container "list"

using namespace std;

//Using the list container

void print( list<double> &lst) {  //using an iterator to traverse lst

   list<double>::iterator p;

   for (p = lst.begin(); p !=lst.end(); ++p)
      cout << *p << '\t';
   cout << endl;
}


int main() {

   double w[5] = { 0.97, 0.81, 88, -99.99, 3.14 };

   list<double> z;

   for (int i = 0; i < 5; ++i)
      z.push_front(w[i]);

   print(z);

   z.sort();

   print(z);

   cout << "sum is " << accumulate(z.begin(), z.end(), 0.0) << endl;

   int look; cin >> look;
}