[Jeehay28] WEEK 05 #858
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[Jeehay28] WEEK 05 #858
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ekgns33
reviewed
Jan 6, 2025
| // let obj = {}; | ||
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| // for (const str of strs) { | ||
| // const key = sorted(str); |
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lower-case alphabet 만 입력으로 주어지기 때문에 sort를 했을 때 같은 anagram이라면 같은 키임을 활용하셨군요! 👍
ekgns33
reviewed
Jan 6, 2025
| const arr = new Array(26).fill(0); | ||
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| for (const ch of str) { | ||
| const idx = ch.charCodeAt() - "a".charCodeAt(); |
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알파벳만 사용할때 유용한 것 같습니다! js에서는 charCodeAt이라는 메소드로 형변환을 해줘야하나요? 🤔
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charCodeAt()은 문자열에서 특정 문자의 Unicode 값을 숫자로 반환하는 메소드입니다.
문자를 숫자로 바꾸는 역할을 해서 형변환이라고 생각할 수 있지만, 이보다는 문자 코드 값을 읽는 메소드라고 생각하시면 좋을 것 같습니다.
ekgns33
reviewed
Jan 6, 2025
| return profitMax; | ||
| }; | ||
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| // Why Constants Are Ignored in Big-O |
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빅O 노테이션에 대해서 정리해주셨군요 감사합니다 :)
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