: | | % LL B/s : A C C D B E F H J Figure - 1 : Draw the depth-first search tree for the graph of Figure-1. Whenever there is a choice of vertices to process next, always pick the one that is alphabetically first. : : // 2 For your DFS tree that you have drawn for the graph of Figure - 1, write down the pre and post number of each vertex on the earch tree