배열_백준_9237

import Foundation

let inputSeedling = Int(readLine()!)!
let inputRate = readLine()!.components(separatedBy: .whitespaces).map({Int($0)!})

func sol(seedlingCount: Int, growthRate: [Int]) -> Int {
    let sortedGrowth = growthRate.sorted()
    let reversed = sortedGrowth.reversed()

    let growthTime = reversed.enumerated().makeIterator().map({ index,number -> Int in
        let value = 1 + number + index + 1
        return value
    })

    return growthTime.max()!
}

print(sol(seedlingCount: inputSeedling, growthRate: inputRate))

풀이 실패. 가 아니었음
백준은 print로 출력해야 함을 잊지말자.

코드 내 반성점

    let sortedGrowth = growthRate.sorted()
    let reversed = sortedGrowth.reversed()
    // 위 코드를 아래와 같이 한줄로.
    let reversedSortedGrowth = growthRate.sorted(by: >)