Re-translate the Japanese version (#1871)

* Retranslate Japanese docs with GPT-5.4

* Retranslate Japanese code with GPT-5.4
This commit is contained in:
Yudong Jin
2026-03-30 07:30:15 +08:00
committed by GitHub
parent fe6443235b
commit d7b2277d2b
1444 changed files with 83312 additions and 8363 deletions
+71
View File
@@ -0,0 +1,71 @@
/**
* File: TreeNode.swift
* Created Time: 2023-01-02
* Author: nuomi1 (nuomi1@qq.com)
*/
/* */
public class TreeNode {
public var val: Int //
public var height: Int //
public var left: TreeNode? //
public var right: TreeNode? //
/* */
public init(x: Int) {
val = x
height = 0
}
// :
// https://www.hello-algo.com/chapter_tree/array_representation_of_tree/
// :
// [1, 2, 3, 4, nil, 6, 7, 8, 9, nil, nil, 12, nil, nil, 15]
// :
// / 15
// / 7
// / 3
// | \\ 6
// | \\ 12
// 1
// \\ 2
// | / 9
// \\ 4
// \\ 8
/* : */
private static func listToTreeDFS(arr: [Int?], i: Int) -> TreeNode? {
if i < 0 || i >= arr.count || arr[i] == nil {
return nil
}
let root = TreeNode(x: arr[i]!)
root.left = listToTreeDFS(arr: arr, i: 2 * i + 1)
root.right = listToTreeDFS(arr: arr, i: 2 * i + 2)
return root
}
/* */
public static func listToTree(arr: [Int?]) -> TreeNode? {
listToTreeDFS(arr: arr, i: 0)
}
/* : */
private static func treeToListDFS(root: TreeNode?, i: Int, res: inout [Int?]) {
if root == nil {
return
}
while i >= res.count {
res.append(nil)
}
res[i] = root?.val
treeToListDFS(root: root?.left, i: 2 * i + 1, res: &res)
treeToListDFS(root: root?.right, i: 2 * i + 2, res: &res)
}
/* */
public static func treeToList(root: TreeNode?) -> [Int?] {
var res: [Int?] = []
treeToListDFS(root: root, i: 0, res: &res)
return res
}
}