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fix(tree): make go code as consistent as possible with java code

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This commit is contained in:
reanon 2022-11-26 16:32:34 +08:00
parent e62d663630
commit 913cf38d0b
2 changed files with 6 additions and 11 deletions
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5
codes/go/chapter_tree/binary_search_tree_test.go
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@ -7,7 +7,7 @@ package chapter_tree
import "testing"
func TestBinarySearchTree(t *testing.T) {
nums := []int{8, 9, 10, 11, 12, 13, 14, 15, 1, 2, 3, 4, 5, 6, 7}
nums := []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}
bst := NewBinarySearchTree(nums)
t.Log("初始化的二叉树为: ")
bst.Print()
@ -32,9 +32,6 @@ func TestBinarySearchTree(t *testing.T) {
bst.Remove(1)
t.Log("删除结点 1 后的二叉树为: ")
bst.Print()
bst.Remove(12)
t.Log("删除结点 12 后的二叉树为: ")
bst.Print()
bst.Remove(2)
t.Log("删除结点 2 后的二叉树为: ")
bst.Print()

12
codes/go/pkg/tree_node.go
View File

@ -9,9 +9,6 @@ import (
"fmt"
)
// nodeNotExist represents node don't exist.
const nodeNotExist int = -1
type TreeNode struct {
Val int
Left *TreeNode
@ -54,11 +51,11 @@ func ArrayToTree(arr []int) *TreeNode {
}
// TreeToArray Serialize a binary tree to a list
func TreeToArray(root *TreeNode) []int {
func TreeToArray(root *TreeNode) []any {
if root == nil {
return []int{}
return []any{}
}
arr := make([]int, 0)
arr := make([]any, 0)
queue := list.New()
queue.PushBack(root)
for queue.Len() > 0 {
@ -68,7 +65,8 @@ func TreeToArray(root *TreeNode) []int {
queue.PushBack(node.Left)
queue.PushBack(node.Right)
} else {
arr = append(arr, nodeNotExist)
// node don't exist.
arr = append(arr, nil)
}
}
return arr