g++ traversal-cs23btech11001.cpp -o codecode expects a command line argument that will be the name of the file.
for example
./code input.txtwhere input.txt is the name of the file containing the input.
** input.txt **
- contains the imput that is parameters and adjacenecy list of the graph
** output.txt **
- will contains the output that needs to be shown like discover order, tree traversal, total traversal time