배열_프로그래머스_level1_k번째 수

https://programmers.co.kr/learn/courses/30/lessons/42748?language=swift

 

import Foundation

func solution(_ array:[Int], _ commands:[[Int]]) -> [Int] {
    var sol : [Int] = []
    for command in commands {
        let firstIndex = command[0] - 1
        let lastIndex = command[1] - 1
        let selectedIndex = command[2] - 1

        let slicedArray = array[firstIndex...lastIndex].sorted()
        sol.append(slicedArray[selectedIndex])
    }
    return sol
}

정답