[Algorithm] K번째 수

[hwangJi-dev]

💬 문제

[코딩테스트 연습 - K번째수](https://school.programmers.co.kr/learn/courses/30/lessons/42748)

💬 풀이

func solution(array:[Int], commands:[[Int]]) -> [Int] {
    var result: [Int] = []
    for command in commands {
        result.append(array[command[0] - 1...command[1] - 1].sorted()[command[2] - 1])
    }
    return result
}