graph2.in

Classes composed of directed weighted graph.

7 0 7
0 1 2 6
0 2 4 2
0 3 1 1
1 4 5 1
2 1 2 1
2 6 3 3 
3 5 2 2
3 6 3 1
4 7 3 2
5 4 5 1
5 7 2 2
6 7 1 3