제출 #108460

6 5
0 0 0 0 1
0 2 0 1 -1
2 0 0 0 0
1 0 2 -1 2
2 0 0 1 0
1 0 0 1 0

2

1

7 6
2 0 -1 -1 -1 0
0 2 0 1 0 1
0 0 0 2 0 1
-1 1 -1 0 0 0
0 -1 2 -1 0 2
-1 -1 2 0 0 2
2 0 1 -1 0 2

6

5