%%  % for readable pdf files
%%  \usepackage{times} 
\usepackage{ifthen}
\usepackage{comment}
\usepackage[utf8]{inputenc}
%%  \usepackage{enumerate}
%%  \usepackage{alltt}
%%  \usepackage{xspace}
%%  \usepackage{wrapfig}
\usepackage{graphics}
\usepackage{graphicx}
\usepackage{epstopdf}
% \usepackage{amsmath}
%%  \usepackage{mathtools}
\usepackage{amssymb}
%\usepackage[xetex,bookmarks,pdfencoding=unicode,colorlinks=true,citecolor=blue,linkcolor=black,urlcolor=blue]{hyperref}
\usepackage[bookmarks,pdfencoding=unicode,colorlinks=true,citecolor=blue,linkcolor=black,urlcolor=blue]{hyperref}
% \usepackage{nohyperref}
%\usepackage{url}
%%  \usepackage{fancyvrb}
\usepackage{verbatim}
\usepackage{listingsutf8}
\usepackage{color}
%%  \usepackage{textcomp}
%%  \usepackage{cmap}
%%  \usepackage[colorinlistoftodos]{todonotes}
%%  \usepackage{lineno}
%%  \usepackage{tocloft}
%%  \usepackage{marginnote}
\usepackage{geometry}
\usepackage{booktabs}
%%  \usepackage{longtable}
%%  \usepackage{etoolbox}
%%  \usepackage{titlesec}
\usepackage[font=small,labelfont=it,labelsep=period,justification=centering]{caption}
\usepackage{array}
%%  %\usepackage{tabularx}
%%  \usepackage[titletoc]{appendix}%

\pagestyle{plain}
\voffset -5mm

\oddsidemargin  0mm
\evensidemargin -11mm
\marginparwidth 2cm
\marginparsep 0pt

\topmargin 0mm
\headheight 0pt
\headsep 0pt
\topskip 0pt        

%\footheight 0pt
%\footskip 0pt
\textheight 255mm
\textwidth 165mm

% ----------------------------------------
%
% II. Macros
%
% ----------------------------------------

\let\gaga=\phi \let\phi=\varphi \let\varphi=\gaga
\let\gaga=\theta \let\theta=\vartheta \let\vartheta=\gaga
\let\gaga=\epsilon \let\epsilon=\varepsilon \let\varepsilon=\gaga

\newcommand\code[1]{ {\footnotesize \texttt{#1}} }

\newcommand\isassignment {false}
\newcommand{\setassignment}{\renewcommand\isassignment {true}}
\newcommand{\ifassignment}[1]{\ifthenelse{\boolean{\isassignment}}{#1}{}}
\newcommand{\ifnotassignment}[1]{\ifthenelse{\boolean{\isassignment}}{}{#1}}
\newcommand{\ignore}[1]{}
\newcommand{\duedate} {}
\newcommand{\setduedate}[1]{%
\renewcommand\duedate {Due date:~ #1}
}
\newcommand{\assignmentpolicy}{
\bigskip
\bigskip
\begin{table}[h]
\begin{center}
\scalebox{0.8} {%
\begin{tabular}{|p{0.02cm}p{16cm}|}
\hline
&\\
\multicolumn{2}{|c|}{\Large\textbf{Submission instructions}}\\
\multicolumn{2}{|c|}{\large\textbf{(Please, notice that following instructions are mandatory: }}\\
\multicolumn{2}{|c|}{\large\textbf{submissions that don't comply with, won't be considered)}}\\
&\\
\textbullet & Assignments must be submitted to Moodle (i.e. in electronic format).\\
\textbullet & Provide both executable package (single .class or .jar file) and sources (.java files). If you are using non-sdk libraries, please add them in the file. Sources must be organized in packages called:\\
\multicolumn{2}{|c|}{\textit{ch.usi.inf.ncc12.assignment$<$assignmentNumber$>$.exercise$<$exerciseNumber$>$.$<$name$>$.$<$surname$>$}}\\
& and  the jar file must be called:\\
\multicolumn{2}{|c|}{\textit{assignment$<$AssignmentNumber$>$.$<$Name$>$.$<$Surname$>$.jar}}\\
& Projects exported directly from Eclipse would be much appreciated (Please, be sure that you are including also the sources in the jar file).\\
\textbullet & The produced files (one pdf and one jar file) must be collected into a single archive file (.zip) named:\\
\multicolumn{2}{|c|}{\textit{assignment$<$AssignmentNumber$>$.$<$Name$>$.$<$Surname$>$.zip}}\\
\hline
\end{tabular}
}
\end{center}
\end{table}
}
\newcommand{\ie}{\textit{i.e.,}\xspace}
\newcommand{\eg}{\textit{e.g.,}\xspace}
\newcommand{\etal}{\textit{et al.}\xspace}

\newcommand\nat{{\Bbb N}}
\def\int{{\Bbb Z}}
\newcommand\rat{{\Bbb Q}}
\newcommand\real{{\Bbb R}}
\newcommand\calD{{\cal D}}
\newcommand\calM{{\cal M}}
\newcommand\calL{{\cal L}}
\newcommand\Gone{\bfmath{G1}}%
\newcommand\Gonei{\bfmath{G1i}}%
\newcommand\Goneai{\bfmath{G1(i)}}%
\newcommand\Gtwo{\bfmath{G2}}%
\newcommand\Gtwoi{\bfmath{G2i}}%
\newcommand\Gtwoai{\bfmath{G2(i)}}%
\newcommand\Gthree{\bfmath{G3}}%
\newcommand\Gthreei{\bfmath{G3i}}%
\newcommand\Gthreeai{\bfmath{G3(i)}}%
\newcommand\True{\bfmath{True}}
\newcommand\False{\bfmath{False}}
\newcommand\FV{\itmath{FV}}
%
% mathrel's
%
\def\maps{\mathrel{:}}
\def\andthen{\mathrel{;}}
\def\suchthat{\mathrel{:}}
\def\defid{\mathrel{:\equiv}}
\def\defeq{\mathrel{:=}}
\def\eqdef{\mathrel{=:}}
\def\gewenn{\leftrightarrow}
\newcommand\tnt{\mathrel{\supset}}
\newcommand\pr{\mathrel{\vdash}}%
\def\prld#1#2{\mathrel{\vrule width 0.3pt height 8pt depth 2pt\mkern-2mu\textstyle{\hskip0.5ex\raise2pt\hbox{$\scriptstyle#1$}\hskip0.1ex\over\hskip0.5ex#2\hskip0.1ex}}}
\def\defGewenn{\mathrel{{:}{\Longleftrightarrow}}}
\def\Gewenn{\mathrel{\Longleftrightarrow}}
\def\To{\mathrel{\Longrightarrow}}
\def\defsimeq{\mathrel{:\simeq}}
\def\redone{\mathrel{\vartriangleright_1}}
\def\red{\mathrel{\vartriangleright}}
%
% mathbin's
%
\newlength{\lminus}
\settowidth{\lminus}{\hbox{$-$}}
\def\dotmin{\mathbin{\vbox{\lineskip0pt\baselineskip0pt\hbox to\lminus{\hfill.\hfill}\vglue-0.55ex\hbox{$-$}}}}

%
% mathop's
%
\def\pow{\mathop{\rm Pow}}
\def\dom{\mathop{\rm dom}}
\def\ran{\mathop{\rm ran}}
\def\seq#1{\langle #1\rangle}
\def\Seq{\mathop{\it Seq}}
\def\lh{\mathop{\it lh}}

%
% points
%
\newcommand{\punkte}[1]{\hspace{1ex}\emph{\mdseries\hfill(#1~\ifcase#1{Points}\or{Points}\else{Points}\fi)}}

% ----------------------------------------------------------------------
\newcommand\secRule{\vspace{-4mm} \rule{.5\textwidth}{4pt}\vspace{-5mm}}
\newcommand{\vf}{\vspace{7mm plus7mm minus1mm}}
\newcommand{\compl}{{\rm c}}
\newcommand{\blank}{\hspace{0.5em}}
\newcommand\nyt{\rule{0pt}{0pt}}
\newcommand{\emspace}{\hspace{1em}}

\newcounter{countaufg}

\newenvironment{exercise}[1]{\addtocounter{countaufg}{1}%
      \bigskip%
      \subsection*{Exercise \arabic{countaufg} - %\series{m}
	   \selectfont #1%
	 \makeatother}%
      \bigskip%
      }      

\newenvironment{optexercise}[1]{\addtocounter{countaufg}{1}%
      \bigskip%
      \subsection*{Exercise \arabic{countaufg} (optional) - %\series{m}
	   \selectfont #1%
	 \makeatother}%
      \bigskip%
      }%

\newcommand\hint[1]{\emph{Hint :} #1}
\newcommand\note[1]{\emph{Note :} #1}

\newcommand\serieheader[6]{
\thispagestyle{empty}%
\begin{flushleft}
\includegraphics[width=0.4\textwidth]{usi_inf}
\end{flushleft}
  \noindent%
  {\large\ignorespaces{\textbf{#1}}\hspace{\fill}\ignorespaces{ \textbf{#2}}}\\ \\%
  {\large\ignorespaces #3 \hspace{\fill}\ignorespaces #4}\\
  {\large\ignorespaces \empty{}\hspace{\fill}\ignorespaces \duedate}\\
  \noindent%
  \bigskip
  \hrule\par\bigskip\noindent%
  \bigskip {\ignorespaces {\Large{\textbf{#5}}}
  \hspace{\fill}\ignorespaces \large \ifthenelse{\boolean{\isassignment}}{ }{\textbf{\Large }}}
  \hrule\par\bigskip\noindent%  \linebreak
 }

\makeatletter
\def\enumerateMod{\ifnum \@enumdepth >3 \@toodeep\else
      \advance\@enumdepth \@ne
      \edef\@enumctr{enum\romannumeral\the\@enumdepth}\list
      {\csname label\@enumctr\endcsname}{\usecounter
        {\@enumctr}%%%? the following differs from "enumerate"
	\topsep0pt%
	\partopsep0pt%
	\itemsep0pt%
	%%%? end(differs)
	\def\makelabel##1{\hss\llap{##1}}}\fi}
\let\endenumerateMod =\endlist
\makeatother


\usepackage{etex}
\usepackage{type1ec}
\usepackage[T2A]{fontenc}
\usepackage{textcomp}
%\usepackage[utf8]{inputenc}

%%  \usepackage{polyglossia}
%%  %\defaultfontfeatures{Scale=MatchLowercase, Mapping=tex-text}
%%  \setmainfont[Scale=MatchLowercase, Mapping=tex-text]{Times New Roman}
%%  \newfontfamily\cyrillicfont[Scale=MatchLowercase, Mapping=tex-text]{Times New Roman}
%%  \setsansfont[Scale=MatchLowercase, Mapping=tex-text]{Times New Roman}
%%  \setmonofont{Courier New}
%%  
%%  \setdefaultlanguage{english}
%%  \selectlanguage{english}

\geometry{inner=25mm, outer=25mm, top=35mm, bottom=35mm, headheight=25mm, headsep=6.17mm}
\textwidth=0.8\paperwidth
\linespread{1.2}

%%  \font\smallfont="Times New Roman" at 9 pt
%%  \font\chapterfont="Times New Roman" at 16 pt
%%  \font\chaptertitlefont="Times New Roman" at 18 pt
%%  \font\sectionfont="Times New Roman Bold" at 11 pt
%%  \font\subsectionfont="Times New Roman" at 11 pt
%%  \font\headerfont="Times New Roman" at 9 pt
%%  \font\headerboldfont="Times New Roman Bold" at 9 pt
%%  \font\footerboldfont="Times New Roman Bold" at 10 pt
%%  \titleformat{\chapter}[display]{\chapterfont}
%%  {\chaptertitlename\ \thechapter}{18pt}{\chaptertitlefont}
%%  \titleformat{\section}{\sectionfont}{\thesection.}{0.5em}{}
%%  \titleformat{\subsection}{\subsectionfont}{\thesubsection.}{0.5em}{}
%%  \titleformat{\subsubsection}{\subsectionfont}{\thesubsubsection.}{0.5em}{}
%%  \titleformat{\figure}{}{\thefigure\.}{0.5em}{}

\usepackage{sectsty}

%%  \font\smallfont="Times New Roman" at 9 pt
%%  \font\chapterfont="Times New Roman" at 16 pt
\chapterfont{\fontsize{16}{20}\selectfont}
%%  \font\chaptertitlefont="Times New Roman" at 18 pt
\chaptertitlefont{\fontsize{18}{22}\selectfont}
%%  \font\sectionfont="Times New Roman Bold" at 11 pt
\sectionfont{\fontsize{11}{14}\selectfont}
%%  \font\subsectionfont="Times New Roman" at 11 pt
\subsectionfont{\fontsize{9}{11}\selectfont}
%%  \font\headerfont="Times New Roman" at 9 pt
%%  \font\headerboldfont="Times New Roman Bold" at 9 pt
%%  \font\footerboldfont="Times New Roman Bold" at 10 pt
%%  \titleformat{\chapter}[display]{\chapterfont}
%%  {\chaptertitlename\ \thechapter}{18pt}{\chaptertitlefont}
%%  \titleformat{\section}{\sectionfont}{\thesection.}{0.5em}{}
%%  \titleformat{\subsection}{\subsectionfont}{\thesubsection.}{0.5em}{}
%%  \titleformat{\subsubsection}{\subsectionfont}{\thesubsubsection.}{0.5em}{}
%%  \titleformat{\figure}{}{\thefigure\.}{0.5em}{}

\lstset{
    inputencoding=utf8,
%    backgroundcolor=\color{white},
    tabsize=4,
    rulecolor=,
    basicstyle=\scriptsize,
    upquote=true,
%    aboveskip={1.5\baselineskip},
    columns=fixed,
    showstringspaces=false,
    extendedchars=true,
    breaklines=true,
    prebreak = \raisebox{0ex}[0ex][0ex]{\ensuremath{\hookleftarrow}},
    frame=single,
    showtabs=false,
    showspaces=false,
    showstringspaces=false,
    identifierstyle=\ttfamily,
    keywordstyle=\ttfamily\color[rgb]{0,0,1},
    commentstyle=\ttfamily\color[rgb]{0.133,0.545,0.133},
    stringstyle=\ttfamily\color[rgb]{0.627,0.126,0.941},
}

% Add dots after chapters / sections numbers in TOC.
\makeatletter
\def\@seccntformat#1{\csname the#1\endcsname.\quad}
\def\numberline#1{\hb@xt@\@tempdima{#1\if&#1&\else.\fi\hfil}}
\makeatother

%% Define a new 'leo' style for the package that will use a smaller font.
\makeatletter
\def\url@leostyle{%
  \@ifundefined{selectfont}{\def\UrlFont{\sf}}{\def\UrlFont{\small\ttfamily}}}
\makeatother
%% Now actually use the newly defined style.
\urlstyle{leo}