제출 #105744

4
0 6 1 10
6 0 5 8
1 5 0 9
10 8 9 0

2

6

4
0 2 12 12
2 0 15 15
3 14 0 11
12 15 11 0

4

5

6
0 1 2 5 8 10
1 0 4 5 4 2
2 4 0 1 6 2
5 5 1 0 6 8
8 4 6 1 0 8
10 2 2 6 8 0

0

3