#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "binary_search_tree.h"

void free_tree(node_t *tree) {
    if (tree == NULL) {
        return;
    }

    free_tree(tree->left);
    free_tree(tree->right);

    free(tree);
}

node_t *build_tree(int *tree_data, size_t tree_data_len){

    node_t *koren = (node_t *)malloc(sizeof(node_t));

    if(tree_data == NULL || tree_data_len == 0){
        return 0;
    }

    if(tree_data != NULL && tree_data_len != 0){
        koren->data = tree_data[0];
        koren->left = (node_t *)malloc(sizeof(node_t));
        koren->left->data = tree_data[0];
    }

    return koren;
}