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๋ชฉ๋กfilternot (1)
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[Level1 Kotlin] ์๋ ์ซ์ ๋ํ๊ธฐ
[๋ด ์ฝ๋] class Solution { fun solution(numbers: IntArray): Int = 45 - numbers.sum() } [๋ค๋ฅธ ์ฌ๋ ํ์ด] class Solution { fun solution(numbers: IntArray): Int = (0..9).filterNot(numbers::contains).sum() } (0..9) ์ด๊ฒ ๋ฆฌ์คํธ์ธ๊ฐ? (0..9).filterNot(numbers::contains)? ์ด ๋ถ๋ถ ๋ชจ๋ฅด๊ฒ ์ List ์์์ ํํฐ ์ฌ์ฉ Filter dinnerList.filter { it.startsWith("P") } // [Pizza, Pasta] ๋จผ์ ๊ฐ์ฅ ๊ธฐ์ด๊ฐ ๋๋ filter์ด๋ค. Boolean ๊ฐ์ ๋ฐ๋ผ ํํฐ๋ง์ ํ ์ง ์ ํ ์ง ๊ฒฐ์ ํ๋ค. ์์..
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๊ณ ๋ฆฌ ์์
2022. 9. 18. 14:53