[박종훈] 12주차 답안 제출 #187
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[박종훈] 12주차 답안 제출 #187
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DaleSeo
approved these changes
Jul 21, 2024
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+76
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+91
| public int lengthOfLIS(int[] nums) { | ||
| ArrayList<Integer> subsequence = new ArrayList<>(); | ||
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| for (int current : nums) { | ||
| // Collections.binarySearch : 목록에 포함된 경우 검색 키의 인덱스, 그렇지 않으면 (-(삽입점) - 1) 을 반환함. | ||
| int pos = Collections.binarySearch(subsequence, current); | ||
| if (pos < 0) pos = -(pos + 1); | ||
| if (pos >= subsequence.size()) { | ||
| subsequence.add(current); | ||
| } else { | ||
| subsequence.set(pos, current); | ||
| } | ||
| } | ||
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| return subsequence.size(); | ||
| } |
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와, 종훈님의 이 풀이를 보고 와 이렇게 접근할 수도 있구나 충격을 받았습니다. 덕분에 이 문제를 다시 풀고 알고달레에 풀이 5와 풀이 6을 추가하게 되었네요. 신선한 영감을 주셔서 감사합니다! 🙏
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@DaleSeo 칭찬 감사드립니다 : ) 🥰
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Longest Increasing Subsequence
Unique Paths
Longest Common Subsequence
Maximum Subarray
Jump Game