\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{Hackin7}
\pdfinfo{
  /Title (c-1-syntax-and-searching.pdf)
  /Creator (Cheatography)
  /Author (Hackin7)
  /Subject (C++ 1: Syntax and Searching Cheat Sheet)
}

% Lengths and widths
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\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}{A3A3A3}
\definecolor{LightBackground}{HTML}{F3F3F3}
\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{C++ 1: Syntax and Searching Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Hackin7} via \textcolor{DarkBackground}{\uline{cheatography.com/71996/cs/18252/}}}
\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}Hackin7 \\
  \uline{cheatography.com/hackin7} \\
  \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 12th December, 2018.\\
   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}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Basic Code Template}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\#include \textless{}bits/stdc++.h\textgreater{} \newline using namespace std; \newline  \newline // Main Function  \newline int main() \{ \newline     //Write code to run here \newline     return 0; \newline \}} \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}{Comments}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{// Line comments \newline // Put comment here \newline  \newline /{\emph{ \newline Block Comments \newline Put entire sections of text \newline in here \newline }}/} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.59264 cm} x{3.38436 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Input Output}}  \tn
% Row 0
\SetRowColor{LightBackground}
Type & Code \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Input & cin \textgreater{}\textgreater{} Var1 \textgreater{}\textgreater{} Var2 \textgreater{}\textgreater{} ......; \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Inputs of variables can be separated by spaces, tabs or newlines. eg. "1 2 3"} \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
Output & cout \textless{}\textless{} Data1 \textless{}\textless{} Data2 \textless{}\textless{}...; \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Remember to put spaces and endl to output data in the appropriate format} \tn 
% Row Count 9 (+ 2)
% Row 5
\SetRowColor{white}
Output newline & cout \textless{}\textless{} endl; \tn 
% Row Count 11 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.64241 cm} x{3.33459 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Data types}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Integers} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
short & -2\textasciicircum{}15\textasciicircum{} to 2\textasciicircum{}15-1 (about 32 000) \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
int & -2\textasciicircum{}31\textasciicircum{} to 2\textasciicircum{}31-1 (about 2.14 × 109 ) \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
long long & -2\textasciicircum{}63\textasciicircum{} to 2\textasciicircum{}63-1 (about 9 × 1018) \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
unsigned short & 0 to  2\textasciicircum{}16-1 (about 65 000) \tn 
% Row Count 9 (+ 2)
% Row 5
\SetRowColor{white}
unsigned int & 0 to  2\textasciicircum{}32-1 (about 4.29 × 109 ) \tn 
% Row Count 11 (+ 2)
% Row 6
\SetRowColor{LightBackground}
unsigned long long & 0 to  2\textasciicircum{}64-1 (about 18 ×1018) \tn 
% Row Count 13 (+ 2)
% Row 7
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{Floating Point} \tn 
% Row Count 14 (+ 1)
% Row 8
\SetRowColor{LightBackground}
float & floating point \tn 
% Row Count 15 (+ 1)
% Row 9
\SetRowColor{white}
double & more precise floating point \tn 
% Row Count 17 (+ 2)
% Row 10
\SetRowColor{LightBackground}
long double & even more precise \tn 
% Row Count 18 (+ 1)
% Row 11
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{string} \tn 
% Row Count 19 (+ 1)
% Row 12
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{used to store text} \tn 
% Row Count 20 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Declaring variables}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{// One item \newline data\_type variable\_name; //initial value is garbage \newline variable\_name = value; \newline // OR \newline data\_type variable\_name = initial\_value; \newline  \newline // Array \newline data\_type array{[}length{]}; //initial value is garbage \newline array{[}index{]} = value; \newline // OR \newline data\_type array{[}length{]} = \{value1, value2, ....\};} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}