제출 #125250

4
0 2 3 9
3 0 8 7
3 2 0 7
11 2 7 0

0

3

4
0 11 8 6
5 0 7 2
4 13 0 8
2 9 4 0

0

1

4
0 5 13 6
5 0 2 18
1 2 0 5
6 2 8 0

0

3