\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{phon}
\pdfinfo{
  /Title (hallo-2.pdf)
  /Creator (Cheatography)
  /Author (phon)
  /Subject (Hallo\#2 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}{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{Hallo\#2 Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{phon} via \textcolor{DarkBackground}{\uline{cheatography.com/25871/cs/18254/}}}
\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}phon \\
  \uline{cheatography.com/phon} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 13th December, 2018.\\
   Updated 13th 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*}{2}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Extralab\#9}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\#include \textless{}stdio.h\textgreater{} \newline int main()\{ \newline     int n; \newline     printf("enter n: "); \newline     scanf("\%d",\&n); \newline     int array1{[}n{]}{[}n{]},array2{[}n{]}{[}n{]}; \newline     for (int i = 0;i \textless{} n;i++)\{ \newline         for (int j = 0;j \textless{} n;j++)\{ \newline             printf("Enter element for array1{[}\%d{]}{[}\%d{]}: ", i+1,j+1); \newline             scanf("\%d", \&array1{[}i{]}{[}j{]}); \newline         \} \newline     \} \newline     printf("\textbackslash{}n"); \newline     for (int i = 0;i \textless{} n;i++)\{ \newline         for (int j = 0;j \textless{} n;j++)\{ \newline             printf("Enter element for array2{[}\%d{]}{[}\%d{]}: ", i+1,j+1); \newline             scanf("\%d", \&array2{[}i{]}{[}j{]}); \newline         \} \newline     \} \newline     int count = 0; \newline     for (int i = 0;i \textless{} n;i++)\{ \newline         for (int j = 0;j \textless{} n;j++)\{ \newline             if (array1{[}i{]}{[}j{]} == array2{[}i{]}{[}j{]})\{ \newline                 count++; \newline             \} \newline         \} \newline     \} \newline     for (int i = 0;i \textless{} n;i++)\{ \newline         for (int j = 0;j \textless{} n;j++)\{ \newline             printf("\%d ",array1{[}i{]}{[}j{]}); \newline         \} \newline         printf("\textbackslash{}n"); \newline     \} \newline     printf("\textbackslash{}n"); \newline     for (int i = 0;i \textless{} n;i++)\{ \newline         for (int j = 0;j \textless{} n;j++)\{ \newline             printf("\%d ",array2{[}i{]}{[}j{]}); \newline         \} \newline         printf("\textbackslash{}n"); \newline     \} \newline     if (count == n {\emph{ n)\{ \newline         printf("Both are equal\textbackslash{}n"); \newline     \} \newline     else\{ \newline         printf("Both are not equal\textbackslash{}n"); \newline     \} \newline     printf("Multiplication of metrices is: \textbackslash{}n"); \newline     int ans\_array{[}n{]}{[}n{]}; \newline     int sum = 0; \newline     for (int i = 0;i \textless{} n;i++)\{ \newline         for (int j = 0;j \textless{} n;j++)\{ \newline             for (int k = 0;k \textless{} n;k++)\{ \newline                 sum += array1{[}i{]}{[}k{]}}}array2{[}k{]}{[}j{]}; \newline             \} \newline             ans\_array{[}i{]}{[}j{]} = sum; \newline             sum = 0; \newline         \} \newline     \} \newline     for (int i = 0;i \textless{} n;i++)\{ \newline         for (int j = 0;j \textless{} n;j++)\{ \newline             printf("\%d ",ans\_array{[}i{]}{[}j{]}); \newline         \} \newline         printf("\textbackslash{}n"); \newline     \} \newline     int sum\_metrix = 0; \newline     for (int i = 0;i \textless{} n;i++)\{ \newline         for (int j = 0;j \textless{} n;j++)\{ \newline             if (i==j)\{ \newline                 sum\_metrix += ans\_array{[}i{]}{[}j{]}; \newline             \} \newline         \} \newline     \} \newline     printf("Sum of the diagonal is \%d",sum\_metrix); \newline \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Extralab\#10}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\#include \textless{}stdio.h\textgreater{} \newline \#include \textless{}string.h\textgreater{} \newline int main()\{ \newline     char sentence1{[}255{]},sentence2{[}255{]}; \newline     printf("Input sentence1: "); \newline     gets(sentence1); \newline     printf("Input sentence2: "); \newline     gets(sentence2); \newline     printf("String is longer than string2?"); \newline     fputs(strlen(sentence1) \textgreater{} strlen(sentence2) ? " true" : " false",stdout); \newline     printf("\textbackslash{}nString has more vowal than string2?"); \newline     int count\_string1 = 0; \newline     int c = 0; \newline     while(sentence1{[}c{]} != '\textbackslash{}0')\{ \newline         if (sentence1{[}c{]} == 'a' || sentence1{[}c{]} == 'A'  \newline         || sentence1{[}c{]} == 'e' || sentence1{[}c{]} == 'E' \newline         || sentence1{[}c{]} == 'i' || sentence1{[}c{]} == 'I' \newline         || sentence1{[}c{]} == 'o' || sentence1{[}c{]} == 'O'  \newline         || sentence1{[}c{]} == 'u' || sentence1{[}c{]} == 'U')\{ \newline             count\_string1++; \newline         \} \newline         c++; \newline     \} \newline     int count\_string2 = 0; \newline     int d = 0; \newline     while(sentence1{[}d{]} != '\textbackslash{}0')\{ \newline         if (sentence1{[}d{]} == 'a' || sentence1{[}d{]} == 'A'  \newline         || sentence1{[}d{]} == 'e' || sentence1{[}d{]} == 'E' \newline         || sentence1{[}d{]} == 'i' || sentence1{[}d{]} == 'I' \newline         || sentence1{[}d{]} == 'o' || sentence1{[}d{]} == 'O'  \newline         || sentence1{[}d{]} == 'u' || sentence1{[}d{]} == 'U')\{ \newline             count\_string2++; \newline         \} \newline         d++; \newline     \} \newline     fputs(count\_string1 \textgreater{} count\_string2 ? " true" : " false", stdout); \newline  \newline     int first{[}26{]} = \{0\}, second{[}26{]} = \{0\}; \newline     int e = 0; \newline     // Calculating frequency of characters of first string \newline     while (sentence1{[}e{]} != '\textbackslash{}0')\{ \newline         first{[}sentence1{[}e{]} - 'a'{]}++; \newline         e++; \newline     \} \newline     int f = 0; \newline     while (sentence1{[}f{]} != '\textbackslash{}0')\{ \newline         first{[}sentence1{[}f{]} - 'a'{]}++; \newline         f++; \newline     \} \newline     // Comparing frequency of characters \newline     int count\_similar = 0; \newline     for (int c = 0;c \textless{} 26;c++)\{ \newline         for (int d = 0;d \textless{} 26;d++)\{ \newline             if (first{[}c{]} == second{[}d{]})\{ \newline                 count\_similar++; \newline             \} \newline         \} \newline     \} \newline     if (count\_similar != 0)\{ \newline         printf("\textbackslash{}nThe strings are anagrams.\textbackslash{}n"); \newline     \} \newline     else\{ \newline         printf("\textbackslash{}nThe strings are not anagrams.\textbackslash{}n");         \newline     \} \newline     return 0;   \newline \} \newline  \newline Input sentence1: cineman \newline Input sentence2: iceman \newline String is longer than string2? true \newline String has more vowal than string2? false \newline The strings are anagrams.} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}