[ganu] Week 10 #1008
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[ganu] Week 10 #1008
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KwonNayeon
reviewed
Feb 12, 2025
Comment on lines
+12
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| /** | ||
| * @param {TreeNode} root | ||
| * @return {TreeNode} | ||
| */ | ||
| var invertTree = function (root) { | ||
| const dfs = (current) => { | ||
| if (!current) { | ||
| return; | ||
| } | ||
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| const temp = current.left; | ||
| current.left = current.right; | ||
| current.right = temp; | ||
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| dfs(current.left); | ||
| dfs(current.right); | ||
| }; | ||
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| dfs(root); | ||
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| return root; | ||
| }; |
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DFS와 재귀를 활용하면 더 깔끔한 코드로 구현할 수 있겠어요. 참고가 되었습니다. 감사합니다!
KwonNayeon
approved these changes
Feb 14, 2025
Comment on lines
+1
to
+2
| // Time complexity: O(n) | ||
| // Space complexity: O(1) |
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저도 거의 동일한 방식으로 풀었습니다! 표현하는 방식 등 여러가지로 파이썬과 다른 부분이 있어서 비교해서 보는 재미가 있었어요. 시간/공간 복잡도에 대한 설명을 추가해주시면 더 좋을 것 같습니다. 이번 주도 고생하셨습니다!
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