고현석

class Solution { public String[] solution(int n, int[] arr1, int[] arr2) { String[] map = new String[n]; for(int i=0 ; i<n ; i++){ StringBuilder binaryNum = new StringBuilder(Integer.toBinaryString(arr1[i] | arr2[i])); binaryNum.insert(0, "0".repeat(n-binaryNum.length())); map[i] = binaryNum.toString().replaceAll("1", "#").replaceAll("0", " "); } // for_i return map; } }