demo/digraph.lgf
author Balazs Dezso <deba@inf.elte.hu>
Thu, 24 Jun 2010 09:27:53 +0200
changeset 982 bb70ad62c95f
permissions -rw-r--r--
Fix critical bug in preflow (#372)

The wrong transition between the bound decrease and highest active
heuristics caused the bug. The last node chosen in bound decrease mode
is used in the first iteration in highest active mode.
     1 @nodes
     2 label
     3 0
     4 1
     5 2
     6 3
     7 4
     8 5
     9 6
    10 7
    11 @arcs
    12 		label capacity
    13 0 	1 	0  	  16
    14 0 	2 	1 	  12
    15 0 	3 	2 	  20
    16 1 	2 	3 	  10
    17 1 	4 	4 	  10
    18 1 	5 	5 	  13
    19 2 	3 	6 	  10
    20 2 	4 	7 	  8
    21 2 	6 	8 	  8
    22 5 	3 	9 	  20
    23 3 	6 	10 	  25
    24 4 	7 	11 	  15
    25 5 	7 	12 	  15
    26 6 	7 	13 	  18
    27 @attributes
    28 source 0
    29 target 7