\documentclass{article}

\usepackage[T1]{fontenc}
\usepackage[ngerman]{babel}
\usepackage[utf8]{inputenc}

\usepackage{amsmath}
\usepackage{amssymb}

\usepackage{enumitem}
\setlist{nosep}

\usepackage{color}
\definecolor{darkred}{rgb}{0.72,0.07,0.07}
\definecolor{darkgreen}{rgb}{0.23,0.62,0.22}

\usepackage{scrpage2}
\pagestyle{scrheadings}
\clearscrheadfoot
\ihead{Karlsruhe Institute of Technology}
\chead{ChaosKITs}
\ohead{\pagemark}

\usepackage{pxfonts}
\usepackage{listings}
\lstset{
	language={C++},
	numbers=left,
	stepnumber=1,
	numbersep=6pt,
	numberstyle=\footnotesize,
	breaklines=true,
	breakautoindent=true,
	breakatwhitespace=false,
	postbreak=\space,
	tabsize=4,
	basicstyle=\ttfamily\footnotesize,
	showspaces=false,
	showstringspaces=false,
	extendedchars=true,
	keywordstyle=\bfseries,
	stringstyle=\bfseries,
	commentstyle=\bfseries,
	frame=trbl
}

\usepackage[top=2cm, bottom=2cm, left=2cm, right=1cm]{geometry}

\usepackage{multicol}
\usepackage{multirow}

\newtheorem{bem}{Bemerkung}

\title{Team Contest Reference}
\author{ChaosKITs \\ Karlsruhe Institute of Technology}

\begin{document}

\maketitle
\setlength{\columnsep}{1cm}
\begin{multicols}{2}
	\tableofcontents
\end{multicols}
\newpage

\input{datastructures/datastructures}
\input{graph/graph}
\input{geometry/geometry}
\input{math/math}
\input{string/string}
\input{java/java.tex}
\input{sonstiges/sonstiges}

\end{document}