Click here to download c24/llnew.cpp.

#include <iostream>

using namespace std;

template <class T>
class Node {
  public:
    T data;
    Node<T> * next;
    Node<T> (T d, Node<T> * n) :data(d), next(n) { }

    T printAndSum() {
      cout << data << endl;
      if (next == NULL) return data;
      else return data + next->printAndSum();
    }
};

int main() {
  Node<float>* fhead = NULL;
  Node<int>* ihead = NULL;

  float x;
  while (cin >> x) {
    fhead = new Node<float>(x, fhead);
    ihead = new Node<int>((int)x, ihead);
  }

  cout << "Floating sum: " << fhead->printAndSum() << endl << endl;
  cout << "Int sum: " << ihead->printAndSum() << endl << endl;
  return 0;
}