\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{Jeevan (sukablukagyat)}
\pdfinfo{
  /Title (engineering-150-midterm-cheat-sheet.pdf)
  /Creator (Cheatography)
  /Author (Jeevan (sukablukagyat))
  /Subject (Engineering 150 Midterm 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}{A31F8D}
\definecolor{LightBackground}{HTML}{F9F1F7}
\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{Engineering 150 Midterm Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Jeevan (sukablukagyat)} via \textcolor{DarkBackground}{\uline{cheatography.com/201231/cs/42578/}}}
\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}Jeevan (sukablukagyat) \\
  \uline{cheatography.com/sukablukagyat} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 18th March, 2024.\\
   Updated 1st May, 2024.\\
   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{3.76 cm} x{4.24 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Basic Operators}}  \tn
% Row 0
\SetRowColor{LightBackground}
+ & Addition \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
- & Subtraction \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
* & Multiplication \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
/ & Division \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
= & Assign to Variable/Set equal to \tn 
% Row Count 6 (+ 2)
% Row 5
\SetRowColor{white}
\% & Modulus (Int repersentation of remainder) \tn 
% Row Count 8 (+ 2)
% Row 6
\SetRowColor{LightBackground}
++var & increase before evaluation \tn 
% Row Count 10 (+ 2)
% Row 7
\SetRowColor{white}
var++ & increase after evaluation \tn 
% Row Count 12 (+ 2)
% Row 8
\SetRowColor{LightBackground}
condition ? result : alternative; & short form of if-like structure \tn 
% Row Count 14 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{p{0.88 cm} x{7.12 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Input/Output}}  \tn
% Row 0
\SetRowColor{LightBackground}
Cin & cin \textgreater{}\textgreater{} number; \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Cout & cout \textless{}\textless{} "Enter an integer: "; \tn 
% Row Count 2 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Legal C++ Identifiers ({\emph{The Rules for Var Names}})}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{- Consists of letters (A-Z, Upper and Lowercase) \newline % Row Count 1 (+ 1)
- Digits (NO DECIMALS) \newline % Row Count 2 (+ 1)
- Underscores \newline % Row Count 3 (+ 1)
- No Special Characters or Spaces \newline % Row Count 4 (+ 1)
- No C++ Keywords by itself \newline % Row Count 5 (+ 1)
- Must be Unique within it's namespace \newline % Row Count 6 (+ 1)
- Case Sensitive% Row Count 7 (+ 1)
} \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}{Example Switch Case}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{switch (operation) \{ \newline 	case 0: \newline 		// Things \newline  \newline 		break; \newline 	case 1: \newline 		// Things \newline  \newline 		break; \newline 	case 2: \newline                 // Things \newline  \newline 		break; \newline         default: \newline                 // Things \newline  \newline                 break; \newline \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{Operation must be an Int, Char, or Boolean. Case: must reflect that datatype.}  \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}{Example If Else}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{if ( conditional ) \{ \newline    // do something \newline \} \newline else if ( another\_conditional ) \{ \newline    // do something else \newline \} \newline else \{ \newline    // do something as default \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}{Example For Sentence}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{for ( init; test; command ) \{ \newline    // do something \newline \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{"break;" and "continue;" identical effects.}  \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}{Example Do While Sentence}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{do \{ \newline    //do something \newline \} while (bool expression);} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{2.64 cm} x{5.36 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Pointers}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{int}} *ptr; & Pointer definition \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
ptr = \&var1; & ptr set to address of var1 \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
var2 = *ptr; & set var2 to value of var1 \tn 
% Row Count 3 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Struct Example}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{// Declare Structure \newline struct Order \{ \newline     int modelNumber;  \newline     string phone;      \newline     float cost;  \newline \}; \newline  \newline // Main Function, define the structure variable \newline int main( ) \{ \newline     Order item1; \newline  \newline     // Give values to structure variables \newline     item1.modelNumber = 10; \newline     item1.phone = "Samsung Galaxy S"; \newline     item1.cost = 1099.99; \newline     // Display/Output structure members \newline     cout \textless{}\textless{} "Order, " \textless{}\textless{} item1.phone \textless{}\textless{} item1.modelNumber; \newline     cout \textless{}\textless{} "This item costs: \$" \textless{}\textless{} part1.cost \textless{}\textless{} endl; \newline \} \newline  \newline // Output: \newline // Order, Samsung Galaxy S10 \newline // This item costs: \$1099.99} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{p{0.8 cm} x{7.2 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Boolean Logic}}  \tn
% Row 0
\SetRowColor{LightBackground}
== & Test of Equality \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
!= & Test of Non-Equality \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\textless{} & Less Than \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\textgreater{} & Greater Than \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\textless{}= & Less Than or Equal \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
\textgreater{}= & Greater Than or Equal \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
! & NOT \tn 
% Row Count 7 (+ 1)
% Row 7
\SetRowColor{white}
\&\& & AND \tn 
% Row Count 8 (+ 1)
% Row 8
\SetRowColor{LightBackground}
|| & OR \tn 
% Row Count 9 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{Boolean expressions in C++ are evaluated left-to-right!}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{p{2 cm} x{6 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Data Types}}  \tn
% Row 0
\SetRowColor{LightBackground}
int & 3 \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
float & 3.0f \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
double & 3.0 \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
char & 'a' \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
string & "Hello World!" \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
bool & true/false \tn 
% Row Count 6 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{File Input / Output}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\#include \textless{}fstream.h\textgreater{} \newline  \newline ifstream file; //read buffer \newline ofstream file; //write buffer \newline  \newline file.open ("filename", {[}file mode constant{]}); \newline  \newline  //Test if the file was created  \newline if(fs.is\_open())     if(fs) \newline  \newline //Reads/Writes like cin and cout \newline file \textgreater{}\textgreater{} var; //Read \newline file \textless{}\textless{} ''Text: "\textless{}\textless{} var \textless{}\textless{} endl; //Write \newline  \newline //Read Entire line \newline getline (file,String);  \newline  \newline //Read until it arrives at the end of file \newline while(file.eof()) \newline  \newline //Detect if the read/write fail \newline if(file.fail()) \newline  \newline //Close File \newline file.close();} \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}{Procedures}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{//Declaration \newline  void ProcedureName() \newline \{ \newline    // do something \newline \} \newline  \newline //Call to procedure \newline ProcedureName();} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{In the procedures we don't receive variables and don't return other variable.}  \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}{Functions}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{//Declaration \newline  {[}returnType{]} functionName ( {[}input1Type input1Name, input2Type input2Name, ....{]} )  \newline \{ \newline    // do something \newline    return value; // value must be of type returnType \newline \} \newline  \newline //Call to function \newline {[}returntype var ={]} functionName ({[}input1Type input1Name, input2Type input2Name, ....{]})} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{We have two methods to create and call functions: \newline passed with values and passed for reference. \newline  \newline {\bf{Pass by reference}}: we put \& before variable in the declaration. \newline {\bf{ReturnType must be a Datatype}} \newline {\bf{Cannot return more than one thing}}}  \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}{Dynamic Array Template}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{dataType *nameOfTheDynamicArray; \newline  \newline nameOfTheDynamicArray = new dataType{[}numofelements{]}; \newline  \newline nameOfTheDynamicArray{[}0{]} = value; \newline  \newline delete {[}{]} nameOfTheDynamicArray;} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{"new" function allows dynamic array to change it size, since they are parameters. \newline  \newline "delete" will delete everything stored in the dynamic array.}  \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}{enum example}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{enum gasType \{gas, diesel\}; \newline  \newline gasType gasT;} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}