\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{logs}
\pdfinfo{
  /Title (cheat-sheet-tpsi.pdf)
  /Creator (Cheatography)
  /Author (logs)
  /Subject (TPSI 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}{808080}
\definecolor{LightBackground}{HTML}{F7F7F7}
\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{TPSI Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{logs} via \textcolor{DarkBackground}{\uline{cheatography.com/216715/cs/47432/}}}
\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}logs \\
  \uline{cheatography.com/logs} \\
  \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 2nd December, 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}{p{0.74655 cm} x{4.23045 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Tipi di dati e array}}  \tn
% Row 0
\SetRowColor{LightBackground}
int & Intero (-1,0,1,2...) \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
float & Numero con la virgola \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
bool & True o False \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
char & Carattere ('a','b'...) \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
array & int arr{[}5{]} = \{1, 2, 3, 4, 5\}; \tn 
% Row Count 5 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.09034 cm} x{2.88666 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Input/Output}}  \tn
% Row 0
\SetRowColor{LightBackground}
using namespase std; & Evita di specificare std:: \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
cin\textgreater{}\textgreater{}variabile; & Inserire a schermo un valore \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
cout\textless{}\textless{}variabile; & Stampa a schermo variabile \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
cout\textless{}\textless{}"frase"; & Mostra a schermo "frase" \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
cout\textless{}\textless{}"..."\textless{}\textless{}endl; & Consente di andare a capo \tn 
% Row Count 10 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Struttura ciclo while}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{while(condizione == true) \{ \newline % Row Count 1 (+ 1)
// istruzioni eseguite fino a quando \newline % Row Count 2 (+ 1)
// la condizione è vera \newline % Row Count 3 (+ 1)
\}% Row Count 4 (+ 1)
} \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}{Struttura ciclo for}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{for (int i = 0; i \textless{} n; i++)\{ \newline % Row Count 1 (+ 1)
// ... \newline % Row Count 2 (+ 1)
// istruzioni eseguite n volte \newline % Row Count 3 (+ 1)
\}% Row Count 4 (+ 1)
} \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}{Struttura funzione}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{int funzione(parametri)\{ \newline % Row Count 1 (+ 1)
    //Codice \newline % Row Count 2 (+ 1)
    return 0 \newline % Row Count 3 (+ 1)
    \} \newline % Row Count 4 (+ 1)
\} \newline % Row Count 5 (+ 1)
Uso void se la funzione non restituisce niente \newline % Row Count 6 (+ 1)
altrimenti uso int se restituisce un intero \newline % Row Count 7 (+ 1)
oppure bool o char...% Row Count 8 (+ 1)
} \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}{Struttura if}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{literal\}\}if (condizione) \{ \newline % Row Count 1 (+ 1)
//istruzioni \newline % Row Count 2 (+ 1)
\}% Row Count 3 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.4977 cm} x{4.4793 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Condizioni}}  \tn
% Row 0
\SetRowColor{LightBackground}
A==B & Se A è uguale a B, restituisce vero \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
A!=B & Se A è diverso da B, restituisce vero \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
A\textless{}B & Se A è minore di B, restituisce vero \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
A\textgreater{}B & Se A è maggiore di B, restituisce vero \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
A\textless{}=B & Se A è minore o uguale di B, restituisce vero \tn 
% Row Count 9 (+ 2)
% Row 5
\SetRowColor{white}
A\textgreater{}=B & Se A è maggiore o uguale di B, restituisce vero \tn 
% Row Count 11 (+ 2)
% Row 6
\SetRowColor{LightBackground}
A!B & A not B \tn 
% Row Count 12 (+ 1)
% Row 7
\SetRowColor{white}
A\&\&B & A and B, vero se entrambe le condizioni sono vere \tn 
% Row Count 14 (+ 2)
% Row 8
\SetRowColor{LightBackground}
A||B & A or B, vero se almeno una condizione è vera \tn 
% Row Count 16 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.4577 cm} x{3.06659 cm} p{1.05271 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{Operatori}}  \tn
% Row 0
\SetRowColor{LightBackground}
+ & Addizione & a + b \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
- & Sottrazione & a - b \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
* & Moltiplicazione & a * b \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
/ & Divisione & a / b \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\% & Modulo (Resto) & a \% b \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
++ & Incremento & a++ \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
-{}- & Decremento & a-{}- \tn 
% Row Count 7 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.4977 cm} p{0.4977 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Random}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{n = rand()\%max + min;} \tn 
% Row Count 1 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{numero casuale \newline n va da min fino a min + max - 1 \newline Senza min va da 0 a max - 1 \newline esempio: \newline da 30 a 50 faccio rand()\%21 + 30 \newline metto come primo numero la differenza e come secondo numero il minimo}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.89126 cm} x{3.08574 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{fork()}}  \tn
% Row 0
\SetRowColor{LightBackground}
int p = fork() & Creo un processo figlio \tn 
% Row Count 1 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Restituisce: \newline 0 se sei nel processo figlio \newline \textgreater{}0 se sono nel padre,p è il PID del figlio \newline -1 se il figlio non è stato creato}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.33919 cm} x{2.63781 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{robe}}  \tn
% Row 0
\SetRowColor{LightBackground}
exit(n) & Termino il processo in cui mi trovo \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
 & n è il codice di uscita () \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
 & 0 \textless{} n \textless{} 255 \tn 
% Row Count 5 (+ 1)
% Row 3
\SetRowColor{white}
kill(p,SIGKILL); & Faccio terminare immediatamente il processo con PID=p \tn 
% Row Count 8 (+ 3)
% Row 4
\SetRowColor{LightBackground}
wait() & Restituisce il PID del figlio terminato \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
int status; int pid = wait(\&status); & Qui status prende tutte le informazioni di come è terminato il processo figlio \tn 
% Row Count 14 (+ 4)
% Row 6
\SetRowColor{LightBackground}
WIFEXITED(status) & vero se il figlio è terminato normalmente \tn 
% Row Count 16 (+ 2)
% Row 7
\SetRowColor{white}
\seqsplit{WEXITSTATUS(status)} & codice di uscita passato a exit() \tn 
% Row Count 18 (+ 2)
% Row 8
\SetRowColor{LightBackground}
\seqsplit{WIFSIGNALED(status)} & vero se il figlio è terminato da un segnale \tn 
% Row Count 21 (+ 3)
% Row 9
\SetRowColor{white}
WTERMSIG(status) & segnala quale segnale ha terminato il figlio \tn 
% Row Count 24 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}- \newline i trattini nella tabella non si devono mettere indica solo che va a capo \newline -{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.9862 cm} x{1.9908 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Librerie}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{\#include \textless{}iostream\textgreater{}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\#include \textless{}unistd.h\textgreater{} & per fork() ... \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\#include \textless{}sys/wait.h\textgreater{} & per wait() ... \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\#include \textless{}signal.h\textgreater{} & per kill()... \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\#include \textless{}cstdlib\textgreater{} & per rand() \tn 
% Row Count 5 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}