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JustHm
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Mar 31, 2025
| dict = {} | ||
| for i, v in enumerate(nums): | ||
| diff = target - v | ||
| if diff in dict: |
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여기 if 구문이 dict를 순회하면서 맞는키가 있는지 보는건가로 알고 있었는데 키가 존재하는지만 확인하는 O(1) 메서드였네요..
코드 보면서 의아했는데 정말 깔끔하게 푸신거 보고 하나 배웠습니다!
JustHm
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Apr 4, 2025
JustHm
approved these changes
Apr 8, 2025
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