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