/* main.cc */

#include <iostream.h>                                    // for cout, cin, endl
#include "treenode.h"

void part2();                  // warns compiler of future function definitions
void part3();

/* main() tests the TreeNode class */
main() {
  part2();
  part3();
}	

void part2() {
  // Fill in your solution to Part II here.
}

void part3() {
  TreeNode *tn1 = new TreeNode(1);
  TreeNode *tn2 = new TreeNode(2);
  tn1->left = tn2;
  tn1->right = new TreeNode(3);
  TreeNode tn4(4);
  tn4.left = tn1;

  /* Draw the memory at this point in the program for Part III */
}