[프로그래머스] qr code (Java, Python)

문제

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

프로그래머스

 

코드(Java)

class Solution {
    public String solution(int q, int r, String code) {
		StringBuilder answer = new StringBuilder();
		for (int i = r; i < code.length(); i += q) {
			answer.append(code.charAt(i));
		}
        return answer.toString();
    }
}

 

코드(Python)

def solution(q, r, code):
    return ''.join(code[i] for i in range(r, len(code), q))