## file mincostflow.dat

param demand :=
1  1
2  3
3  5
4  -6
5  -3;

param: ARCS: cost :=
1 2 10
1 4 5
1 5 7
2 3 5
2 4 6
2 1 1
3 1 5
3 4 10
3 5 1
4 2 1
4 5 6
5 1 1
5 2 3
5 4 7;