[jeldo3] Week1 #646
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[jeldo3] Week1 #646
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EgonD3V
approved these changes
Dec 7, 2024
| # O(nlogn) | ||
| def topKFrequent(self, nums: list[int], k: int) -> list[int]: | ||
| ls = [(key, value) for key, value in Counter(nums).items()] # O(n) | ||
| return [key for _, key in heapq.nlargest(n=k, iterable=ls)] # O(nlogn) |
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이 부분의 시간복잡도는 O(n log k)가 맞지 않을까 싶습니다.
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저도 이 부분에서 O(n log k) 시간이 걸릴 것 같네요?
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아 o(nlogk)가 맞습니다. big O내 size를 더 명확하게 나타내야겠네요 😅
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| if n - 1 not in nums_set: | ||
| length = 0 | ||
| while n + length in nums_set: |
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레퍼런스 카운팅에서는 효율적이겠지만, 인터뷰라면 이 임시 객체들의 의미를 물어볼 것 같습니다.
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@Jeldo 3기 첫 번째 답안 병합 축하드려요! 🥇 |
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