Edexcel D1 2015 June — Question 1

Exam BoardEdexcel
ModuleD1 (Decision Mathematics 1)
Year2015
SessionJune
TopicShortest Path

1. \begin{figure}[h]
\includegraphics[alt={},max width=\textwidth]{6417303d-c42a-4da4-b0fa-fb7718959417-2_686_1408_342_333} \captionsetup{labelformat=empty} \caption{Figure 1}
\end{figure} Figure 1 represents a network of roads. The number on each arc gives the length, in km , of the corresponding road.
  1. Use Dijkstra's algorithm to find the shortest distance from S to G . State the shortest route.
  2. State both the shortest distance and the shortest route from S to H .