This graph input follows DIMACS format Sample Input: p sp 5 6 1 a 1 2 2 a 2 5 5 a 2 3 4 a 1 4 1 a 4 3 3 a 3 5 1 First Line has 3 numbers after the intial letters: n e s n = number of nodes e = number of edges s = source for algorithm the following e lines have the format after the letter 'a': u v w u = start v = dest w = weight of edge To run, use python3 and run deltaStepping.py: python3 deltaStepping.py