\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{zoyrox} \pdfinfo{ /Title (tpsit-c.pdf) /Creator (Cheatography) /Author (zoyrox) /Subject (TPSIT - C++ 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}{84A2A3} \definecolor{LightBackground}{HTML}{F7F9F9} \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{TPSIT - C++ Cheat Sheet}}}} \\ \normalsize{by \textcolor{DarkBackground}{zoyrox} via \textcolor{DarkBackground}{\uline{cheatography.com/217222/cs/47654/}}} \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}zoyrox \\ \uline{cheatography.com/zoyrox} \\ \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 4th February, 2026.\\ 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{2.33919 cm} x{2.63781 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Input/Output}} \tn % Row 0 \SetRowColor{LightBackground} using namespace std; & Evita di specif​icare std:: \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} cin\textgreater{}\textgreater{}v​ari​abile; & Inserire a schermo un valore \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} cout\textless{}\textless{}​var​iabile; & Stampa a schermo variabile \tn % Row Count 6 (+ 2) % Row 3 \SetRowColor{white} cout\textless{}\textless{}​"​fra​se"; & Mostra a schermo "​fra​ se" \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{LightBackground} \mymulticolumn{1}{x{5.377cm}}{while(​con​dizione == true) \{ \newline ‎ ‎ ‎ // istruzioni eseguite fino a quando \newline ‎ ‎ ‎ // la condizione è vera \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}{Struttura ciclo for}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{for (int i = 0; i \textless{} n; i++)\{ \newline ‎ ‎ ‎ // ... \newline ‎ ‎ ‎ // istruzioni eseguite n volte \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}{Struttura funzione}} \tn \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{int funzio​ne(​par​ame​tri)\{ \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 restit​uisce \newline % Row Count 6 (+ 1) niente \newline % Row Count 7 (+ 1) altrimenti uso int se restit​uisce un intero \newline % Row Count 8 (+ 1) oppure bool o char.. \newline % Row Count 9 (+ 1) */% Row Count 10 (+ 1) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{1.94103 cm} x{3.03597 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Pipe}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{2}{x{5.377cm}}{int fd{[}2{]};} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} pipe(fd); & Crea pipe: fd{[}0{]}=lettura, fd{[}1{]}=scrittura \tn % Row Count 3 (+ 2) % Row 2 \SetRowColor{LightBackground} write(fd{[}1{]}, \&data, size); & Scrive nel pipe \tn % Row Count 5 (+ 2) % Row 3 \SetRowColor{white} read(fd{[}0{]}, \&data, size); & Legge dal pipe \tn % Row Count 7 (+ 2) % Row 4 \SetRowColor{LightBackground} close(fd{[}0{]}); & Chiude lato lettura \tn % Row Count 8 (+ 1) % Row 5 \SetRowColor{white} close(fd{[}1{]}); & Chiude lato scrittura \tn % Row Count 9 (+ 1) % Row 6 \SetRowColor{LightBackground} Errore! & if(pipe(fd) == -1) \{ /{\emph{ gestione }}/ \} \tn % Row Count 11 (+ 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 If}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{if (condizione) \{ \newline ‎ ‎ ‎ //istr​uzioni \newline \} \newline else \{ \newline ‎ ‎ ‎ //istruzioni \newline \}} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{p{0.64701 cm} x{4.32999 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, restit​uisce vero \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} A!=B & Se A è diverso da B, restit​uisce vero \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} A\textless{}B & Se A è minore di B, restit​uisce vero \tn % Row Count 6 (+ 2) % Row 3 \SetRowColor{white} A\textgreater{}B & Se A è maggiore di B, restit​uisce vero \tn % Row Count 8 (+ 2) % Row 4 \SetRowColor{LightBackground} A\textless{}=B & Se A è minore o uguale di B, restit​ uisce vero \tn % Row Count 10 (+ 2) % Row 5 \SetRowColor{white} A\textgreater{}=B & Se A è maggiore o uguale di B, restit​uisce vero \tn % Row Count 12 (+ 2) % Row 6 \SetRowColor{LightBackground} A!B & A not B \tn % Row Count 13 (+ 1) % Row 7 \SetRowColor{white} A\&-\&B & A and B, vero se entrambe le condizioni sono vere \tn % Row Count 15 (+ 2) % Row 8 \SetRowColor{LightBackground} A || B & A or B, vero se almeno una condizione è vera \tn % Row Count 17 (+ 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}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Struttura classe}} \tn \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{class NomeClasse \{ \newline % Row Count 1 (+ 1) private: // Accessibile solo dentro la classe \newline % Row Count 2 (+ 1) int privato; \newline % Row Count 3 (+ 1) public: // Accessibile da ovunque \newline % Row Count 4 (+ 1) int pubblico; \newline % Row Count 5 (+ 1) // Costruttore \newline % Row Count 6 (+ 1) NomeClasse() : pubblico(0) \{\} \newline % Row Count 7 (+ 1) // Distruttore \newline % Row Count 8 (+ 1) \textasciitilde{}NomeClasse() \{ /{\emph{ libera memoria }}/ \} \newline % Row Count 9 (+ 1) // Metodo \newline % Row Count 10 (+ 1) void metodo() \{ cout \textless{}\textless{} pubblico; \} \newline % Row Count 11 (+ 1) \};% Row Count 12 (+ 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}{fork()}} \tn \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{int p = fork()‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ Crea un processo figlio \newline % Row Count 2 (+ 2) ~ \newline % Row Count 3 (+ 1) Restit​uisce: \newline % Row Count 4 (+ 1) ‎‎ ‎ ‎ ‎ 0 se sei nel processo figlio \newline % Row Count 5 (+ 1) ‎ \textgreater{} 0 se sono nel padre,p è il PID del figlio \newline % Row Count 6 (+ 1) ‎ ‎ -‎ 1 se il figlio non è stato creato% Row Count 7 (+ 1) } \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}{Nozioni}} \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} getpid() & Restituisce il PID del processo \tn % Row Count 7 (+ 2) % Row 4 \SetRowColor{LightBackground} kill(p, SIGNKILL); & Faccio terminare immedi​ata​ mente il processo con PID=p \tn % Row Count 10 (+ 3) % Row 5 \SetRowColor{white} wait() & Restit​uisce il PID del figlio terminato \tn % Row Count 12 (+ 2) % Row 6 \SetRowColor{LightBackground} int status; int pid = wait(\&status); & Qui status prende tutte le inform​azioni di come è terminato il processo figlio \tn % Row Count 16 (+ 4) % Row 7 \SetRowColor{white} \seqsplit{WIFEXI​TED​(st​atus)} & True se il figlio è terminato normal​mente \tn % Row Count 19 (+ 3) % Row 8 \SetRowColor{LightBackground} \seqsplit{WEXITS​TAT​US(​status)} & Codice di uscita passato a exit() \tn % Row Count 21 (+ 2) % Row 9 \SetRowColor{white} \seqsplit{WIFSIG​NAL​ED(​status)} & True se il figlio è terminato da un segnale \tn % Row Count 24 (+ 3) % Row 10 \SetRowColor{LightBackground} \seqsplit{WTERMS​IG(​status)} & Segnala quale segnale ha terminato il figlio \tn % Row Count 27 (+ 3) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Pipe + classi}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{// Per inviare oggetti via pipe: \newline class Studente \{ \newline char nome{[}20{]}; // NO string, meglio char{[}{]} \newline int voto; \newline \}; \newline // sizeof(Studente) funziona, sizeof(string) NO} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{3.28482 cm} x{1.69218 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Librerie}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{2}{x{5.377cm}}{\#include \textless{}io​str​eam\textgreater{}} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} \#include \textless{}un​ist​d.h\textgreater{} & per fork() ... \tn % Row Count 3 (+ 2) % Row 2 \SetRowColor{LightBackground} \#include \textless{}sy​s/w​ait.h\textgreater{} & per wait() ... \tn % Row Count 5 (+ 2) % Row 3 \SetRowColor{white} \#include \textless{}si​gna​l.h\textgreater{} & per kill()... \tn % Row Count 6 (+ 1) % Row 4 \SetRowColor{LightBackground} \#include \textless{}cs​tdl​ib\textgreater{} & per rand() \tn % Row Count 7 (+ 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}{Random}} \tn \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{srand(time(NULL)); \newline % Row Count 1 (+ 1) n = rand()\%max + min; \newline % Row Count 2 (+ 1) /* \newline % Row Count 3 (+ 1) n va da min fino a min + max-1 \newline % Row Count 4 (+ 1) Senza min va da 0 a max-1 \newline % Row Count 5 (+ 1) esempio: \newline % Row Count 6 (+ 1) da 30 a 50 faccio rand()\%21+30 \newline % Row Count 7 (+ 1) metto come primo numero la differenza e \newline % Row Count 8 (+ 1) come secondo numero il minimo \newline % Row Count 9 (+ 1) */% Row Count 10 (+ 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}{Codice}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{\#include \textless{}iostream\textgreater{} \newline \#include \textless{}unistd.h\textgreater{} \newline \#include \textless{}sys/wait.h\textgreater{} \newline \newline using namespace std; \newline \newline int dim\_array=10; \newline int main()\{ \newline \newline srand(time(NULL)); \newline \newline int pf{[}2{]}; \newline int fp{[}2{]}; \newline \newline pipe(pf); \newline pipe(fp); \newline \newline \newline int pid = fork(); \newline \newline if (pid==0)\{ \newline \newline close(pf{[}1{]}); \newline close(fp{[}0{]}); \newline \newline int array\_figlio{[}dim\_array{]}; \newline int valore; \newline int array\_padre{[}dim\_array{]}; \newline \newline int somma=0; \newline \newline read(pf{[}0{]}, array\_padre, sizeof(array\_padre)); \newline for (int i=0; i\textless{} dim\_array; i++)\{ \newline \newline valore=array\_padre{[}i{]}; \newline array\_figlio{[}i{]}=valore; \newline somma=somma+valore; \newline \} \newline \newline write(fp{[}1{]}, \&somma, sizeof(int)); \newline \newline close(pf{[}0{]}); \newline close(fp{[}1{]}); \newline \newline exit(0); \newline \newline \} \newline else\{ \newline \newline close(pf{[}0{]}); \newline close(fp{[}1{]}); \newline \newline int array\_padre{[}dim\_array{]}; \newline int somma; \newline \newline for (int i = 0; i\textless{} dim\_array; i++)\{ \newline array\_padre{[}i{]}=rand()\%101; \newline \} \newline \newline write(pf{[}1{]}, array\_padre, sizeof(array\_padre)); \newline \newline read(fp{[}0{]}, \&somma, sizeof(int)); \newline \newline cout\textless{}\textless{}endl\textless{}\textless{}"La somma dei valori è:"\textless{}\textless{}somma; \newline \newline close(pf{[}1{]}); \newline close(fp{[}0{]}); \newline \} \newline \newline return 0; \newline \}} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} % That's all folks \end{multicols*} \end{document}