#include<iostream>
#include"BiTree.h"
using namespace std;

BiTree* createNode(int data) {
    BiTree* newNode = new BiTree();
    newNode->data = data;
    newNode->left = nullptr;
    newNode->right = nullptr;
    return newNode;
}

void createTree(BiTree*& bt, int value) {
    if (bt == nullptr) {
        bt = createNode(value);
    } else {
        if (value < bt->data) {
            createTree(bt->left, value);
        } else if (value > bt->data) {
            createTree(bt->right, value);
        }
    }
}

int main() {
    BiTree* root = nullptr;
    for (int i = 0; i < 10; i++) {
        createTree(root, i);
    }
    cout << BiTree::sum_leaf(root) << endl;
    return 0;
}