[jdy8739] Week 10 #997
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[jdy8739] Week 10 #997
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TonyKim9401
reviewed
Feb 12, 2025
invert-binary-tree/jdy8739.js
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이후 커밋에 작성되어 있습니다. 코멘트 감사합니다! :)
HC-kang
approved these changes
Feb 14, 2025
| return dp[dp.length - 1]; | ||
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| // 시간복잡도 O(n2) -> nums의 길이대로 순회하면서 1부터 nums[j]의 값까지 순회하는 2중 루프를 돌기 때문 |
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'최대로 어디까지 점프할수 있을까?'라는 관점에서, dp 배열 대신 변수 하나만 사용하는 방법을 찾아보실 수 있지 않을까요?
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넵넵 풀이를 봤는데 그런 방법도 있더라고요. 다음 문제 풀이 때 적용해보도록 하겠습니다. 코멘트 감사합니다! :)
| return first; | ||
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| // 시간복잡도 -> for문 이후 sort 이후 for문을 수행하며 이는 O(n) + O(nlogn) + O(n)이므로 O(nlogn)가 시간복잡도가 된다 |
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중요한 내용은 아닙니다!
n을 아마 k개 리스트 전체의 노드 수로 사용하신 것 같은데요
문제에서 k라는 변수가 언급되어있으니, 복잡도 분석에서도 k를 사용해 주시거나 혹은 이를 활용한 해설을 덧붙여주시는것이 좋지 않을까 싶어요!
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