The SSSP example given does not store that information in the vertex, so
you'd have to
modify the example so that each vertex stores the entire path from the
source, perhaps
as a string. Once you do that, you can print it out the same way.

Hope thats helpful,

On Tue, Nov 28, 2017 at 8:44 PM, Aneesh Mathur <[EMAIL PROTECTED]> wrote: