import java.util.*;
import java.util.stream.*;
class Solution {
public String[] solution(int n, int[] arr1, int[] arr2) {
List arr = new ArrayList<>();
for (int i=0; i Integer.toString(value, 2))
.map(string -> string.replace('1','#'))
.map(string -> string.replace('0',' '))
.map(string -> String.format("%" + n + "s", string))
.toArray(String[]::new);
}
}