module Mark:Graph coloring with marking. Only applies to imperative graphs with marks.
Parameters: |
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val coloring : G.t -> int -> unit
coloring g k
colors the nodes of graph g
using k colors,
assigning the marks integer values between 1 and k.
raises NoColoring
when there is no possible coloring.
The graph marks may be partially set before starting; the meaning of initial values is as follows: