* colorizes a graph given the graph representation and the order in which to color
* nodes, returns a list of nodes numbered with their respective color *)
fun colorize order graph = foldl (color_single graph) nil order
* colorizes a graph given the graph representation and the order in which to color
* nodes, returns a list of nodes numbered with their respective color *)
fun colorize order graph = foldl (color_single graph) nil order