#include using namespace std; typedef struct node { int data; struct node* left; struct node* right; } Node; Node* newNode(int idata) { Node* node = new Node; node->data = idata; node->left = nullptr; node->right = nullptr; return node; } int main() { Node* root = newNode(9); root->left = newNode(4); (*root).right = newNode(3); }