--- a/coursework/cw02.tex	Wed Oct 16 11:06:32 2019 +0100
+++ b/coursework/cw02.tex	Wed Oct 16 11:14:53 2019 +0100
@@ -172,7 +172,7 @@
 Extend your lexer from Q2 to also simplify regular expressions
 after each derivation step and rectify the computed values after each
 injection. Use this lexer to tokenize the programs in
-Figure~\ref{fib} and \ref{loop}. Give the tokens of these
+Figure~\ref{fib}, \ref{loop} and \ref{factor}. Give the tokens of these
 programs where whitespaces are filtered out. Make sure you can
 tokenise \textbf{exactly} these programs.\bigskip
 
@@ -188,6 +188,12 @@
 (Usually used for timing measurements.)\label{loop}}
 \end{figure}
 
+\begin{figure}[h]
+\mbox{\lstinputlisting[language=While,xleftmargin=10mm]{../progs/factors.while}}
+\caption{A program that calculates factors for numbers in the WHILE
+  language.\label{factors}}
+\end{figure}
+
 \end{document}
 
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