[프로그래머스] 덧칠하기

 

https://school.programmers.co.kr/learn/courses/30/lessons/161989

    fun solution(n: Int, m: Int, section: IntArray): Int {
        var answer = 0
        val paint = IntArray(n)
        for (s in section) {
            paint[s - 1] = 1
        }
        var i = 0
        while (i < paint.size) {
            if (paint[i] == 1) {
                for (j in 0 until m) {
                    if (i + j < paint.size) {
                        paint[i + j] = 0
                    }
                }
                i = i + m - 1
                answer++
            }
            i++
        }
        return answer
    }