Coloring

[Lotte]

Yesterday on my way home, my friend repeatedly talked about his coloring a graph ? So what the heck does that mean ? I know I am making a heck out of that heck though, any ideas. hehh

[AKG]

Yesterday on my way home, my friend repeatedly talked about his coloring a graph ? So what the heck does that mean ? I know I am making a heck out of that heck though, any ideas. hehhCheck out this Wikipedia article (http://en.wikipedia.org/wiki/Graph_colouring_problems).