Saysimple week4 #95
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Saysimple week4 #95
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@saysimple0828 님, 다음 PR부터는 Iteration 표시해주시면 감사하겠습니다! (#71 참고) |
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죄송합니다. 공지를 못봤군요 ㅠㅠ.. 넵 다음부터는 이터레이션을 달아서 올리도록 하겠습니다! |
SamTheKorean
approved these changes
May 26, 2024
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| class Solution: | ||
| def hammingWeight(self, n: int) -> int: | ||
| return bin(n).count("1") |
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count 메서드를 쓰니 한줄 코드가 되는군요!
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| class Solution: | ||
| def reverseBits(self, n: int) -> int: | ||
| return int(f"{bin(n)[2:]:0>32}"[::-1], 2) |
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혹시 코딩 테스트에서도 이렇게 간결하게 작성하는게 유리할까요?
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이래서 제가 비트 조작 문제는 실제 시험에 잘 안 나온다고 한 겁니다 ㅋㅋㅋ
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저는 약간 복잡하게 풀었는데 이 풀이 보니 엄청 직관적이네요! 배우고 갑니다.
DaleSeo
reviewed
May 28, 2024
| @@ -0,0 +1,7 @@ | |||
| # TC: O(n), SC: O(1) | |||
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i not in nums에서 걸리는 시간을 과소 평가하신 게 아닐까요?
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4주차 문제 풀이 완료!