[프로그래머스] Lv.1 비밀지도

 

[문제]

https://school.programmers.co.kr/learn/courses/30/lessons/17681

프로그래머스

 

 

[소스 코드]

class Solution {
    public String[] solution(int n, int[] arr1, int[] arr2) {
        String[] answer = new String[n];
        for(int i=0;i<n;i++){
            int num1 = arr1[i];
            int num2 = arr2[i];
            String secret = "";
            for(int j=0;j<n;j++){
                if((num1 & (1<<(n-1-j))) != 0 || (num2 & (1<<(n-1-j))) != 0){
                    secret += "#";
                }
                else{
                    secret += " ";
                }
            }
            answer[i] = secret;
        }
        return answer;
    }
}