[김한기] - Week 4 solutions #87
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PR 제목을 보니 주차가 햇갈리신 것 같아요! |
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그러네요! 수정할게요 |
DaleSeo
approved these changes
May 22, 2024
| # @param {Integer} n, a positive integer | ||
| # @return {Integer} | ||
| def reverse_bits(n) | ||
| # 이유는 모르겠으나 문제 설명과는 달리 leetcode 루비 테스트코드에선 n이 10진수 Integer로 들어오네요. |
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다른 언어에서도 마찬가지에요. 문제가 좀 오해가 소지가 있게 설명이 되어 있는 것 같아요 😅
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| Enum.map(0..n, fn i -> | ||
| Integer.digits(i, 2) |> Enum.count(&(&1 != 0)) |
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시간 복잡도가
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제가 사실 시간복잡도 공간복잡도 개념이 익숙치 않은데 공부해야겠네요 ^^;
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코딩 인터뷰에서 시공간 복잡도 분석이 필요한 걸로 알고 있는데 맞을까요?
WhiteHyun
approved these changes
May 24, 2024
| defmodule Solution do | ||
| @spec missing_number(nums :: [integer]) :: integer | ||
| def missing_number(nums) do | ||
| (0..length(nums) |> Enum.to_list) -- nums |> Enum.at(0) |
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신기한 연산자가 많네요. 언어별 특징이 보이는 것 같아 보는 맛이 있네요 ㅎㅎ
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