main.tex

\documentclass[a4paper]{article}
\usepackage{fontspec}
\usepackage[a4paper, xetex]{geometry}

\usepackage{listings}
\usepackage{amssymb}
\usepackage{amsmath}
\usepackage{multicol}
\usepackage{courier}
\usepackage{fancyhdr}
\usepackage{enumitem}
\usepackage{hyperref}
\usepackage{lastpage}
\setlist{nolistsep}

\lstset{columns=fullflexible}
\lstset{basicstyle=\scriptsize\ttfamily}
%\lstset{showspaces=false}
%\lstset{showstringspaces=false}
%
\geometry{portrait}
\setlength{\topmargin}{-0.5in}
\setlength{\oddsidemargin}{-0.5in}
%\setlength{\evensidemargin}{-in}
\setlength{\columnsep}{1in}
\setlength{\columnseprule}{0.2pt}
\textwidth 185mm
\textheight 250mm

\pagestyle{fancy}
\lhead{Vilnius University (Šimoliūnaitė, Strakšys, Strimaitis)}
\chead{}
\rhead{\thepage\ of \pageref{LastPage}}
\lfoot{}
\cfoot{}
\rfoot{}

\newcommand{\includecpp}[2]{
    \subsection{#1}\
    \lstinputlisting[language=c++, breaklines=true]{#2}
}
\newcommand{\includepy}[2]{
    \subsection{#1}\
    \lstinputlisting[language=python, breaklines=true]{#2}
}
\newcommand{\includescript}[2]{
    \subsection{#1}\
    \lstinputlisting[breaklines=true]{#2}
}
\newcommand{\includetex}[2]{
    \subsection{#1}\
    \input{#2}
}

\newcommand{\floor}[1]{\lfloor #1 \rfloor}

\begin{document}
\thispagestyle{fancy}
\pagenumbering{Roman}

\begin{center}
	\Huge\textsc{ACM-ICPC Team Reference Document}

	\huge Vilnius University (Šimoliūnaitė, Strakšys, Strimaitis)

	\vspace{0.50cm}
\end{center}

\begin{multicols*}{2}
    \tableofcontents

    \pagenumbering{arabic}
    \setcounter{page}{1}
    \input{contents.tex}
\end{multicols*}

%\enlargethispage*{\baselineskip}
%\pagebreak

% == CONTENTS == %

%\pagenumbering{arabic}
%\setcounter{page}{1}
%
%\begin{multicols*}{2}
%	\input{contents.tex}
%\end{multicols*}
\end{document}