\NeedsTeXFormat{LaTeX2e}
\documentclass[10pt,a4paper]{article}
\usepackage{a4wide}
\usepackage{amssymb}
\usepackage{amsmath}
\usepackage{floatflt}
\usepackage{graphicx}
\usepackage{color}
\usepackage{subfig}
\usepackage[ngerman,english]{babel}
\usepackage{listings}
\usepackage{url}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage[authoryear, round]{natbib}
\setlength{\parindent}{0pt}
\setlength{\parskip}{5pt plus 2pt minus 1pt}
\lstset{
language=C++,
basicstyle=\ttfamily,
keywordstyle=\color{blue},
tabsize=4,
numbers=left,
numberstyle=\footnotesize
% morekeywords={*,auto}
}
\selectlanguage{english}
\begin{document}
\input{Title}
\pagestyle{headings}
\pagenumbering{roman}
\newpage
\tableofcontents
\newpage
\setcounter{page}{1}
\pagenumbering{arabic}
\include{Body}
\newpage
\bibliographystyle{plainnat}
\bibliography{Bibliography}
\setlength{\parskip}{10pt}
\end{document}