[프로그래머스][LV1] 덧칠하기

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

프로그래머스

 

import java.util.*;
class Solution {
    public int solution(int n, int m, int[] section) {
        int answer = 1;
        int roller = section[0];

        for(int i=1;i<section.length;i++){
            if(section[i] > roller + m -1){
                answer++;
                roller = section[i];
            }
        }
        return answer;
    }
}