제출 #147836

4 5
0 1 0 0
1 -1 1 0
0 1 0 0
0 1 -1 1
0 0 0 1

2 1 2 3 
1 -1 1 2 
2 1 2 2 
2 1 -1 1 
3 2 2 1 
2

2

4 6
1 0 0 0
0 1 0 0
-1 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0

1 2 3 4 
2 1 2 3 
-1 2 3 4 
4 3 4 5 
5 4 5 6 
6 5 6 7 
6

6

5 8
1 0 0 0 -1
0 0 -1 0 1
0 0 0 0 0
-1 0 0 -1 0
0 1 0 -1 1
0 0 -1 -1 -1
0 -1 -1 -1 0
0 1 0 0 0

1 2 3 3 -1 
2 3 -1 2 1 
3 3 4 3 2 
-1 2 3 -1 2 
2 1 2 -1 1 
3 2 -1 -1 -1 
3 -1 -1 -1 5 
2 1 2 3 4 
4

4