11월 6일 H-Index

https://school.programmers.co.kr/learn/courses/30/lessons/42747

프로그래머스

 

 

import Foundation

func solution(_ citations:[Int]) -> Int {
    let sortedCitations = citations.sorted(by: >)

    for (index, citation) in sortedCitations.enumerated() {
        if citation < index + 1 {
            return index
        }
    }

    return citations.count
}