n#include
"tree.h"
nclass tree::node {
//node for binary tree
n public:
n node() : //default constructor
n left(0),
n right(0) {
n }
n node(const employee &obj) : //one arg
constructor
n emp(obj),
n left(0),
n right(0) {
n }
n employee emp; //employee object
n node* left; //left child node
n node* right; //right child node
n};
n