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42 lines
815 B
Go
42 lines
815 B
Go
// File: binary_tree_test.go
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// Created Time: 2022-11-25
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// Author: Reanon (793584285@qq.com)
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package chapter_tree
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import (
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"fmt"
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"testing"
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. "github.com/krahets/hello-algo/pkg"
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)
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func TestBinaryTree(t *testing.T) {
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/* 二分木を初期化 */
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// ノードを初期化
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n1 := NewTreeNode(1)
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n2 := NewTreeNode(2)
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n3 := NewTreeNode(3)
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n4 := NewTreeNode(4)
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n5 := NewTreeNode(5)
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// ノード間の参照（ポインタ）を構築する
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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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fmt.Println("二分木を初期化")
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PrintTree(n1)
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/* ノードの挿入と削除 */
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// ノードを挿入
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p := NewTreeNode(0)
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n1.Left = p
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p.Left = n2
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fmt.Println("ノード P を挿入後")
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PrintTree(n1)
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// ノードを削除
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n1.Left = n2
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fmt.Println("ノード P を削除後")
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PrintTree(n1)
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}
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