Question 25
How many ways are there to travel along the grid from A to B, passing through C and D?
The printed source does not state a shortest-path restriction. For this self-study question, use the intended shortest paths: move only right or up along grid edges, through C and then D.
The printed source does not state a shortest-path restriction. For this self-study question, use the intended shortest paths: move only right or up along grid edges, through C and then D.