report.tex

\documentclass{article}
\usepackage{fancyhdr}
\pagestyle{fancy}
%% Define your header here. 
%% See http://texblog.org/2007/11/07/headerfooter-in-latex-with-fancyhdr/
\fancyhead[CO,CE]{John Doe, Class 123}

\usepackage[usenames,dvipsnames]{color}  %% Allow color names

%% The listings package will format your source code
\usepackage{listings}
\lstdefinestyle{customasm}{
  belowcaptionskip=1\baselineskip,
  xleftmargin=\parindent,
  language=C++,
  breaklines=true, %% Wrap long lines
  basicstyle=\footnotesize\ttfamily,
  commentstyle=\itshape\color{Gray},
  stringstyle=\color{Black},
  keywordstyle=\bfseries\color{OliveGreen},
  identifierstyle=\color{blue},
  xleftmargin=-8em,
  showstringspaces=false
}        
\begin{document}

\lstinputlisting[style=customasm]{/path/to/your/code.c}

\end{document}