import java.util.LinkedList;
import java.util.Queue;
import java.util.Scanner;
class Solution
{
public static void main(String args[]) throws Exception
{
Scanner sc = new Scanner(System.in);
int T;
T=sc.nextInt();
for(int test_case = 1; test_case <= T; test_case++)
{
int size = sc.nextInt();
int sum = 0;
for (int i = size / 2; i >= 0; i--) {
String s = sc.next();
for (int j = i; j < size - i; j++) {
sum += s.charAt(j) - '0';
}
}
for (int i = 1; i <= size / 2; i++) {
String s = sc.next();
for (int j = i; j < size - i; j++) {
sum += s.charAt(j) - '0';
}
}
System.out.println("#" + test_case + " " + sum);
}
}
}
출처
https://krapoi.tistory.com/entry/SW-Expert-Academy-JAVA-2805%EB%86%8D%EC%9E%91%EB%AC%BC-%EC%88%98%ED%99%95%ED%95%98%EA%B8%B0