[1차]비밀지도

class Solution {
  public String[] solution(int n, int[] arr1, int[] arr2) {
      String[] answer = new String[n];
      
      for(int i=0; i<n; ++i){
          int tempNum = arr1[i]|arr2[i];
          String tempBinary = Integer.toBinaryString(tempNum);
          int tempLength = tempBinary.length();
          
          if(tempLength < n){
              for(int j=0; j<n-tempLength; ++j){
                  tempBinary = "0"+tempBinary;
              }
          }          
          
          answer[i] = tempBinary.replace("1", "#").replace("0", " ");
      }
      
      return answer;
  }
}