[SeongA] WEEK08 Solution #1902
Merged
[SeongA] WEEK08 Solution #1902
Conversation
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
geegong
reviewed
Sep 13, 2025
| // Time O(V+E) | ||
| // Space O(V) | ||
| func cloneGraph(_ node: Node?) -> Node? { | ||
| guard let node = node else { return nil } |
There was a problem hiding this comment.
오 이 구문이 엄청 신기하네요
node 에 값이 없으면 바로 return nil 로 한줄로 작성이 되는게 너무 신기해요😲
geegong
reviewed
Sep 13, 2025
| guard let neighbor = neighbor else { continue } | ||
|
|
||
| if let clonedNeighbor = visited[neighbor.val] { | ||
| visited[currentNode.val]!.neighbors.append(clonedNeighbor) |
There was a problem hiding this comment.
오 느낌표 표현이 신기하네요
seongA님 덕에 swift 문법에 신기한걸 많이 배우고 있어요ㅎㅎ 값이 있다고 치고 optional 에서 값을 빼버리다니
마치 css 에서 important (!) 같은 느낌이네요ㅎㅎ
geegong
reviewed
Sep 13, 2025
| } else { | ||
| visited[neighbor.val] = Node(neighbor.val) | ||
| visited[currentNode.val]!.neighbors.append(visited[neighbor.val]) | ||
| queue.append(neighbor) |
There was a problem hiding this comment.
오.. queue와 visited 를 병행하면서 처음 cloned 한 것에 neighbors 에 cloned 를 append 하는게 인상깊네요ㅎ 👍
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
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Outdated suggestions cannot be applied.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.
답안 제출 문제
작성자 체크 리스트
In Review로 설정해주세요.검토자 체크 리스트
Important
본인 답안 제출 뿐만 아니라 다른 분 PR 하나 이상을 반드시 검토를 해주셔야 합니다!