\documentclass{article}
\usepackage{amssymb,amsmath}
\usepackage{ifxetex,ifluatex}
\usepackage{graphicx,grffile}
\usepackage{hyperref}
\usepackage{fancyvrb}
\usepackage{booktabs}
\usepackage[left=2cm, right=2cm, bottom=3cm]{geometry}

\ifxetex
  \usepackage{polyglossia}
\else
  \usepackage[utf8]{inputenc}
  \usepackage[T1]{fontenc}
  \usepackage[italian]{babel}
\fi

\providecommand{\tightlist}{%
  \setlength{\itemsep}{0pt}\setlength{\parskip}{0pt}}

\renewcommand\thesection{} 			% Niente numeri attorno alle section
\renewcommand\thesubsection{} 		% Niente numeri attorno alle subsection
\setlength\parindent{0pt}

$if(header)$
\input{$header$}
$endif$


\begin{document}
\noindent {\Large Algoritmi e Strutture Dati}
\vspace{0.5cm}

\noindent {\Huge $titolo$ (\texttt{$breve$}$if(tempo)$, $tempo$ s$endif$)}

$body$

\section{Esempi di input/output}

$for(samples)$
    \noindent
    \begin{tabular}{p{11cm}|p{5cm}}
    \toprule
    \textbf{File \texttt{input.txt}}
    & \textbf{File \texttt{output.txt}}
    \\
    \midrule
    \scriptsize
   \VerbatimInput{$samples.input$}
    &
    \scriptsize
   \VerbatimInput{$samples.output$}
    \\
    \bottomrule
    \end{tabular}
    \newline
$endfor$

\end{document}