104. Maximum Depth of Binary Tree#21
Open
hiroki-horiguchi-dev wants to merge 1 commit into
Open
Conversation
nicah4o
reviewed
Jun 2, 2026
| return 0; | ||
| } | ||
|
|
||
| Stack<Map<TreeNode, Integer>> nodes = new Stack<>(); |
There was a problem hiding this comment.
cppなので頓珍漢なこと言ってたら申し訳ないんですが、これってpairでなくmapを使用した理由はありますか
Owner
Author
There was a problem hiding this comment.
Java は標準ライブラリに pair がないからですね、Kotlinには pair どころか triple まであるけど。。
普通に record で書けばよかったのですが、なんで Map 使ったんだろう。
修正します。
There was a problem hiding this comment.
Javaにはpairは無いのですね。
知らなかったので的外れなことを言ってしまいました。
kotlinにはあるのですね、勉強になります。
Owner
Author
There was a problem hiding this comment.
いえいえ、とんでもないです。
コメントいただけて嬉しいです、ありがとうございます。
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
2 participants
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
104. Maximum Depth of Binary Tree