[hi-rachel] WEEK 01 solutions #1181
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DAEUN9
approved these changes
Apr 4, 2025
top-k-frequent-elements/hi-rachel.py
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| if num in numdict: | ||
| numdict[num] += 1 | ||
| else: | ||
| numdict[num] = 1 |
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defaultdict를 사용하셨으니까 num의 존재여부는 분기처리하지 않아도 될 것 같아요.
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defaultdict 사용법이 헷갈려서 넘어갔는데 정확히 짚고 갑니다. 감사합니다 :)
| """ | ||
| 개선 코드 | ||
| O(N) time, O(N) space | ||
| """ |
- 올바른 default 사용 - 사용하지 않는 배열 삭제
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