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Why?에서 시작해 How를 찾는 과정을 좋아합니다. 그 고민과 성장의 과정을 꾸준히 기록하고자 합니다.
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[leetCode] 3. Longest Substring Without Repeating Characters

Given a string s, find the length of the longest substring without repeating characters.disscuss에도 풀이를 설명과 함께 올려두었다end pointer를 이동해가며 해당 알파벳이 set에 들어있

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[leetCode] D-6. Sliding Window

배열이나 리스트의 요소들의 일정 범위 값을 비교할 때 사용하는 알고리즘이다.이름처럼 고정된 윈도우가 일정한 범위를 유지하면서 이동하는 알고리즘시간 복잡도 : O(n)배열 안에서 길이가 3인 서브배열의 합계를 모두 구해야 하는 경우를 생각해보자. 슬라이딩 윈도우는 다음과

2021년 11월 9일
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