\documentclass[10pt,a4paper]{article}

% Packages
\usepackage{fancyhdr}           % For header and footer
\usepackage{multicol}           % Allows multicols in tables
\usepackage{tabularx}           % Intelligent column widths
\usepackage{tabulary}           % Used in header and footer
\usepackage{hhline}             % Border under tables
\usepackage{graphicx}           % For images
\usepackage{xcolor}             % For hex colours
%\usepackage[utf8x]{inputenc}    % For unicode character support
\usepackage[T1]{fontenc}        % Without this we get weird character replacements
\usepackage{colortbl}           % For coloured tables
\usepackage{setspace}           % For line height
\usepackage{lastpage}           % Needed for total page number
\usepackage{seqsplit}           % Splits long words.
%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
\usepackage{wasysym}            % Symbols
%\usepackage[english,german,french,spanish,italian]{babel}              % Languages

% Document Info
\author{psathas}
\pdfinfo{
  /Title (aepp.pdf)
  /Creator (Cheatography)
  /Author (psathas)
  /Subject (AEPP Cheat Sheet)
}

% Lengths and widths
\addtolength{\textwidth}{6cm}
\addtolength{\textheight}{-1cm}
\addtolength{\hoffset}{-3cm}
\addtolength{\voffset}{-2cm}
\setlength{\tabcolsep}{0.2cm} % Space between columns
\setlength{\headsep}{-12pt} % Reduce space between header and content
\setlength{\headheight}{85pt} % If less, LaTeX automatically increases it
\renewcommand{\footrulewidth}{0pt} % Remove footer line
\renewcommand{\headrulewidth}{0pt} % Remove header line
\renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit
% This two commands together give roughly
% the right line height in the tables
\renewcommand{\arraystretch}{1.3}
\onehalfspacing

% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
\newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols
\newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns
\newcommand{\tn}{\tabularnewline} % Required as custom column type in use

% Font and Colours
\definecolor{HeadBackground}{HTML}{333333}
\definecolor{FootBackground}{HTML}{666666}
\definecolor{TextColor}{HTML}{333333}
\definecolor{DarkBackground}{HTML}{60BF49}
\definecolor{LightBackground}{HTML}{F5FBF3}
\renewcommand{\familydefault}{\sfdefault}
\color{TextColor}

% Header and Footer
\pagestyle{fancy}
\fancyhead{} % Set header to blank
\fancyfoot{} % Set footer to blank
\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
    }
\end{tabulary}
\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{AEPP Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{psathas} via \textcolor{DarkBackground}{\uline{cheatography.com/211615/cs/45876/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}psathas \\
  \uline{cheatography.com/psathas} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 11th March, 2025.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
  \SetRowColor{white}
  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
\raggedright
\raggedcolumns

% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{3}

\begin{tabularx}{5.377cm}{x{2.14011 cm} x{2.83689 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Τύποι Μεταβλητών}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Ακέραιες }}(1) & {\bf{Πραγματικές}} (1.7) \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
{\bf{Χαρακτήρες}} ("7") & {\bf{Λογικές}}   (Αληθής, Ψευδής) \tn 
% Row Count 5 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Προσοχή Άλλο το {\bf{ΑΛΗΘΗΣ}} και άλλο το "{\bf{ΑΛΗΘΗΣ}}"}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.60195 cm} x{1.3731 cm} x{1.60195 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{Βασικές Συνιστώσες}}  \tn
% Row 0
\SetRowColor{LightBackground}
Δομή \seqsplit{Ακολουθίας} & Δομή \seqsplit{Επιλογής} & Δομή \seqsplit{Επανάληψης} \tn 
% Row Count 3 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.73232 cm} x{2.42581 cm} x{1.41887 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{Δομή επιλογής}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{Απλή} & Διπλή (Σύνθετη) & \seqsplit{Πολλαπλή} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{3}{x{5.377cm}}{Αν (Συνθήκη) τότε} \tn 
% Row Count 3 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.55618 cm} x{1.51041 cm} x{1.51041 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{Τελεστές}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{Αριθμητικοί} & \seqsplit{Συγκριτικοί} & \seqsplit{Λογικοί} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
+,-,*,/,\textasciicircum{},Div,Mod & \textgreater{},\textless{},\textless{}\textgreater{},=,\textgreater{}=,\textless{}= & ΚΑΙ, Η, ΟΧΙ \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{Μεγαλύτερη} \seqsplit{προτεραιότητα} από \seqsplit{Συγκριτικούς} \& \seqsplit{Λογικούς} & \seqsplit{Μεγαλύτερη} \seqsplit{προτεραιότητα} από \seqsplit{Λογικούς} & \seqsplit{Μικρότερη} \seqsplit{προτεραιτότητα} από όλους \tn 
% Row Count 12 (+ 8)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\SetRowColor{LightBackground}
\mymulticolumn{3}{x{5.377cm}}{\seqsplit{Πρoτεραιότητες} : 1) \textasciicircum{} 2) *,,/,div, mod 3) +,- \newline Όταν έχω τελεστές ίδιας \seqsplit{προτεραιότητας} πάω πάντα από αριστερά προς τα δεξιά}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Βασικές Εντολές}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Εισόδου: {\bf{Διάβασε}} \newline % Row Count 1 (+ 1)
{\bf{Σύνταξη}} Διάβασε χ ή Διάβασε χ,y,x κτλ \newline % Row Count 3 (+ 2)
Εξόδου: {\bf{Γράψε}} \newline % Row Count 4 (+ 1)
{\bf{Σύνταξη}} Γράψε χ ή Γράψε "χ" ή Γράψε "χ=",χ \newline % Row Count 6 (+ 2)
{\bf{Εκχώριση}} : μτβλ \textless{}-{}- Παράσταση% Row Count 8 (+ 2)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}