I have an undirected, unweighted graph implementation using a vertex list and boolean adjacency matrix. If vertex x and vertex y are adjacent, both adjMatrix[j] and adjMatrix [j] are true. I am to add ...

In algorithms, as in life, negativity can be a drag. Consider the problem of finding the shortest path between two points on a graph — a network of nodes connected by links, or edges. Often, these ...

The original version of this story appeared in Quanta Magazine. If you want to solve a tricky problem, it often helps to get organized. You might, for example, break the problem into pieces and tackle ...