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[Programmers] Lv2. ๊ธฐ๋ฅ๊ฐ๋ฐ (kotlin)SW Test/Programmers 2022. 8. 7. 17:42๋ฐ์ํ
๋ฌธ์
https://school.programmers.co.kr/learn/courses/30/lessons/42586?language=kotlin ์์
https://school.programmers.co.kr/learn/courses/30/lessons/42586?language=kotlin ํ์ด
- ์คํ/ํ๋ฅผ ์ด์ฉํ ๋ํ์ ์ธ ๋ฌธ์ ๋ก ๊ฐ ๊ธฐ๋ฅ๋ณ ๊ฑธ๋ฆฌ๋ ์๊ฐ์ days ๋ฐฐ์ด์ ๋ด์ต๋๋ค.
- ์คํ๋ฅผ ์ด์ฉํด๋ ๋์ง๋ง elem์ด๋ผ๋ ๋ณ์๊ฐ top์ ๊ฐ๋ฆฌํค๋๋ก ํ์ฌ top๋ณด๋ค ์์ ๊ธฐ๊ฐ์ ์๋ฅผ ๊ตฌํ๊ณ answer์ ๋ํ๋ฉด ๋ฉ๋๋ค.
import kotlin.math.* class Solution { fun solution(progresses: IntArray, speeds: IntArray): IntArray { var answer = mutableListOf<Int>() val days = progresses.mapIndexed{ index, elem -> ceil(((100-elem).toFloat() / speeds[index]).toDouble()).toInt() } var elem = days.first() var cnt = 1 for(i in 1 until days.size){ if(elem < days[i]){ answer.add(cnt) elem = days[i] cnt = 1 }else{ cnt++ } } answer.add(cnt) return answer.toIntArray() } }
์ฐธ๊ณ
- ํจ์ํ ํ๋ก๊ทธ๋๋ฐ ์ธ์ด์ธ kotlin์ ํน์ฑ์ ๋ง๊ฒ ํจ์๋ฅผ ๋ง์ด ์ตํ์ ๐ฝ
๋ฐ์ํ'SW Test > Programmers' ์นดํ ๊ณ ๋ฆฌ์ ๋ค๋ฅธ ๊ธ
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