[daiyongg-kim] WEEK 03 solutions #2088
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seungriyou
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Nov 30, 2025
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깔끔한 풀이 덕분에 저도 공부가 많이 되었습니다.
이번 주도 고생 많으셨습니다~! 😁
| for i in range(start_index, len(candidates)): | ||
| candidate = candidates[i] | ||
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| if current_sum + candidate > target: |
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sorting & pruning을 이용해 최적화까지 하신 점이 인상깊습니다!
| while n != 0: | ||
| if n & 1: | ||
| cnt += 1 | ||
| n = n >> 1 |
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n & n-1로 오른쪽에서부터 1인 비트를 하나씩 지워가며 개수를 세는 방식인 Brian Kernighan's 알고리즘이라는 방법도 있어 공유드립니다~!
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