[se6816] WEEK 03 Solutions #2103
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Seoya0512
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Nov 29, 2025
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Seoya0512
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이번주도 문제 푸시느라 고생 많으셨습니다. 다음 주도 화이팅입니다 : )
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| /** | ||
| 이전 방식과 동일하나 변수 하나로 이전 값만 유지하는 방식 |
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위에 dp를 사용해서 하는 방식도 좋은데 하나의 변수로 처리하는 것도 공간 복잡도를 개선시킬 수 있군요 👍
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| class Solution { | ||
| public int hammingWeight(int n) { | ||
| return Integer.bitCount(n); |
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Java는 모르지만 bitCount라는 메소드 강력하네요!
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투포인터로 풀이할 생각은 못했는데..한 수 배워갑니다..
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@Seoya0512 안녕하세요! 뭔가 지적을 하려는건 아니고 혹시 모르신다면 도움이 될까하여 말씀드려요 
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