Network Models - SlideServe

Professor Adam has two children who, unfortunately, dislike each other. The problem is so severe that not only do they refuse to walk to school together, but in fact each one refuses to walk on any block that the other child has stepped on that day, The children have no problem with their paths crossing at a corner. Fortunately both the professor's house and the school are on comers, but beyond that he is not sure if it is going to be possible to send both of his children to the same school. The