hello-algo/codes/javascript/chapter_tree/binary_tree.js
Yudong Jin 1c8b7ef559
refactor: Replace 结点 with 节点 (#452)
* Replace 结点 with 节点
Update the footnotes in the figures

* Update mindmap

* Reduce the size of the mindmap.png
2023-04-09 04:32:17 +08:00

35 lines
804 B
JavaScript

/**
* File: binary_tree.js
* Created Time: 2022-12-04
* Author: IsChristina (christinaxia77@foxmail.com)
*/
const { TreeNode } = require("../modules/TreeNode");
const { printTree } = require("../modules/PrintUtil");
/* 初始化二叉树 */
// 初始化节点
let n1 = new TreeNode(1),
n2 = new TreeNode(2),
n3 = new TreeNode(3),
n4 = new TreeNode(4),
n5 = new TreeNode(5);
// 构建引用指向(即指针)
n1.left = n2;
n1.right = n3;
n2.left = n4;
n2.right = n5;
console.log("\n初始化二叉树\n");
printTree(n1);
/* 插入与删除节点 */
const P = new TreeNode(0);
// 在 n1 -> n2 中间插入节点 P
n1.left = P;
P.left = n2;
console.log("\n插入节点 P 后\n");
printTree(n1);
// 删除节点 P
n1.left = n2;
console.log("\n删除节点 P 后\n");
printTree(n1);