제출 #113245

4
2 3 0 4
0 0 0 5
2 0 5 6
0 9 0 0

1

0

4
0 9 2 3
3 5 0 0
7 9 7 0
0 2 0 0

1

0

4
0 7 0 0
6 1 0 4
2 1 0 9
6 5 9 0

1

0