[Helena] Week 1 #690
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[Helena] Week 1 #690
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yolophg
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…ments and longestConsecutiveSequence
| # counts.get gets the count of num | ||
| # reverse=True sorts in descending order | ||
| # [:k] gets the first k elements | ||
| top_nums = sorted(counts, key=counts.get, reverse=True) |
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파이썬에서는 딕셔너리에 대해 sorted를 쓸 수 있군요! 덕분에 자바의 TreeMap 자료구조에 대해서도 공부해볼 수 있었습니다 (비록 이 문제에는 적용하기 어렵지만 ㅎㅎ)
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| # only start counting if it's the beginning of a sequence | ||
| if num - 1 not in num_set: | ||
| current_num = num | ||
| current_streak = 1 | ||
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| # keep counting while the next number in the sequence exists | ||
| while current_num + 1 in num_set: | ||
| current_num += 1 | ||
| current_streak += 1 |
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연속 수열의 시작부터 보는 방법이 있었네요
저는 괜히 어렵게 생각했네요 😅 좋은 아이디어 배우고 갑니다!
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@yolophg 님, 재수생 티나요 😛 우리 3기 부터는 Draft PR 안 쓰기로 했습니다. 프로젝트의 상태로 충분히 커뮤니케이셔니 가능한 부분이라서요. |
SamTheKorean
approved these changes
Dec 15, 2024
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