[프로그래머스]Lv.0 qr code C#

https://school.programmers.co.kr/learn/courses/30/lessons/181903

프로그래머스

소스코드

using System;

public class Solution {
    public string solution(int q, int r, string code) {
        string answer = "";

            for (int i = 0; i < code.Length; i++)
            {
                if(i%q == r)
                    answer += code[i];
            }

            return answer;
    }
}