[Kyojin-Hwang] WEEK 01 solutions #1682
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KyoJin-Hwang merged 5 commits intoDaleStudy:mainfrom Jul 26, 2025
KyoJin-Hwang:main
Merged
[Kyojin-Hwang] WEEK 01 solutions #1682KyoJin-Hwang merged 5 commits intoDaleStudy:mainfrom KyoJin-Hwang:main
KyoJin-Hwang merged 5 commits intoDaleStudy:mainfrom
KyoJin-Hwang:main
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hi-rachel
approved these changes
Jul 26, 2025
| .sort((a, b) => b[1] - a[1]) // 빈도 기준으로 정렬 | ||
| .map((entry) => entry[0]); // 숫자만 추출 | ||
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| for (let i = 0; i < k; i++) { |
Contributor
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return sorted.slice(0, k);
slice를 활용하면 바로 반환도 가능합니다.
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Author
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오 그런 방법이 있었네용!!
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| return false; | ||
| }; | ||
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var containsDuplicate = function (nums) {
const seen = new Set();
for (let num of nums) {
if (seen.has(num)) return true;
seen.add(num);
}
return false;
};
Set 자료구조를 사용한다면 중복을 제거하고 메모리, 속도 측면에서 좋다고 생각합니다.
| const map = new Map(); | ||
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| for (let num of nums) { | ||
| map.set(num, (map.get(num) || 0) + 1); |
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js에서 Map 활용을 잘하시고 계시네요 👍🏻
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Author
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@hi-rachel 레이첼님 검토자 체크리스트 체크 한번만 부탁드리겠습니당 ㅎㅎ! |
Contributor
검토자 체크 리스트 본인 답안 제출 뿐만 아니라 다른 분 PR 하나 이상을 반드시 검토를 해주셔야 합니다! 바로 이전에 올라온 PR에 본인을 코드 리뷰어로 추가해주세요. 어떤걸 확인하라는걸까요? |
Contributor
Author
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그 체크가 안되어 있어서 체크 해주시는게 아닐까요? |
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답안 제출 문제
작성자 체크 리스트
In Review로 설정해주세요.검토자 체크 리스트
Important
본인 답안 제출 뿐만 아니라 다른 분 PR 하나 이상을 반드시 검토를 해주셔야 합니다!