hello-algo/codes/cpp/chapter_tree/binary_tree.cpp
Yudong Jin e720aa2d24
feat: Revised the book (#978)
* Sync recent changes to the revised Word.

* Revised the preface chapter

* Revised the introduction chapter

* Revised the computation complexity chapter

* Revised the chapter data structure

* Revised the chapter array and linked list

* Revised the chapter stack and queue

* Revised the chapter hashing

* Revised the chapter tree

* Revised the chapter heap

* Revised the chapter graph

* Revised the chapter searching

* Reivised the sorting chapter

* Revised the divide and conquer chapter

* Revised the chapter backtacking

* Revised the DP chapter

* Revised the greedy chapter

* Revised the appendix chapter

* Revised the preface chapter doubly

* Revised the figures
2023-12-02 06:21:34 +08:00

43 lines
1,010 B
C++

/**
* File: binary_tree.cpp
* Created Time: 2022-11-25
* Author: Krahets (krahets@163.com)
*/
#include "../utils/common.hpp"
/* Driver Code */
int main() {
/* 初始化二叉树 */
// 初始化节点
TreeNode *n1 = new TreeNode(1);
TreeNode *n2 = new TreeNode(2);
TreeNode *n3 = new TreeNode(3);
TreeNode *n4 = new TreeNode(4);
TreeNode *n5 = new TreeNode(5);
// 构建节点之间的引用(指针)
n1->left = n2;
n1->right = n3;
n2->left = n4;
n2->right = n5;
cout << endl << "初始化二叉树\n" << endl;
printTree(n1);
/* 插入与删除节点 */
TreeNode *P = new TreeNode(0);
// 在 n1 -> n2 中间插入节点 P
n1->left = P;
P->left = n2;
cout << endl << "插入节点 P 后\n" << endl;
printTree(n1);
// 删除节点 P
n1->left = n2;
delete P; // 释放内存
cout << endl << "删除节点 P 后\n" << endl;
printTree(n1);
// 释放内存
freeMemoryTree(n1);
return 0;
}