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[gguussuu] WEEK 01 solutions #1690

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[gguussuu] WEEK 01 solutions #1690

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c2f53f1
Contains Duplicate solution
Jul 21, 2025
4549a68
add space
Jul 27, 2025
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9 changes: 9 additions & 0 deletions contains-duplicate/gguussuu.js
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모든 파일은 맨 마지막 줄을 갱신하셔서 빈줄을 추가해서 올려주시면 감사하겠습니다!
줄갱이 없으면 CI 에서 걸려요 ㅜ.ㅜ

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네넵 수정했습니다 !

Original file line number Diff line number Diff line change
@@ -0,0 +1,9 @@
/**
* @param {number[]} nums
* @return {boolean}
*/
var containsDuplicate = function(nums) {
//Set은 중복된 값을 허용하지 않기 때문에, 배열을 Set으로 변환한 후 길이를 비교하여 중복 여부를 확인
const hasDuplicate = new Set(nums).size !== nums.length;
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gguussuu 님 코드 보고 힌트를 얻어서 저도 덕분에 쉽게 풀었네요ㅎㅎ 👍

return hasDuplicate;
};
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