[YeomChaeeun] Week 14 #1091
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[YeomChaeeun] Week 14 #1091
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TonyKim9401
reviewed
Mar 15, 2025
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Queue 를 사용한 BFS로 문제를 잘 풀어주셨네요!
공간복잡도를 최적화 하기 위해 DFS 문제 풀이도 도전해보시면 재미있을것 같습니다!
TonyKim9401
approved these changes
Mar 15, 2025
KwonNayeon
approved these changes
Mar 15, 2025
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| function countBits(n: number): number[] { | ||
| const result: number[] = []; | ||
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| // 비트 연산을 이용해 1의 개수를 세는 함수 - O(log n) | ||
| function countOnes(num: number): number { | ||
| let count = 0; | ||
| while (num > 0) { | ||
| num &= (num - 1); // 가장 오른쪽의 1 비트를 제거 | ||
| count++; | ||
| } | ||
| return count; | ||
| } | ||
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| for (let i = 0; i <= n; i++) { | ||
| result.push(countOnes(i)); | ||
| } | ||
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| return result; | ||
| } |
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@YeomChaeeun 님 안녕하세요!
코드의 가독성이 좋고, 비트 연산 방식이 제가 사용한 방법보다 더 효율적이어서 도움이 되었습니다. 여유가 된다면, DP로도 풀어보는 것을 추천드립니다! 이번 주도 고생하셨습니다 👍
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