Prog_c.tex

\documentclass[fontsize=8pt, a4paper, fleqn, landscape, DIV=calc]{scrartcl}
\usepackage[utf8]{inputenc}
\usepackage[ngerman]{babel}

\usepackage{hyperref}%links in the pdf
\hypersetup{pdfborder = {0 0 0}}

%Layout
\usepackage{multicol, geometry, xcolor, tcolorbox, fancyhdr ,lastpage, dirtytalk, multirow}
% mehrere spalten, page layout, farben, farbboxen der titel, header/footer, linkt to last page, make the use of "" easier
\geometry{margin=1cm}
\parindent 0pt
\pagestyle{fancy}
\newlength{\breite}
\setlength{\breite}{0.5pt}
\setlength{\columnseprule}{\breite}
\usepackage{qrcode}%QR code im Titel

%Math stuff
\usepackage{mathtools}
\allowdisplaybreaks %allow display breaks in align

\usepackage{enumitem}%Itemise 

%Display Code
\usepackage{listings}
\definecolor{codeGreen}{RGB}{106,178,82}
\definecolor{backgroundcolor}{RGB}{255,255,255}
\lstdefinestyle{mystyle}{
    language = C,
    backgroundcolor=\color{backgroundcolor},
    commentstyle=\color{blue},
    keywordstyle=\color{codeGreen},
    numberstyle=\tiny\color{black},
    stringstyle=\color{olive},
    basicstyle=\ttfamily\footnotesize,
    breakatwhitespace=false,         
    breaklines=true,                 
    captionpos=b,                    
    keepspaces=true,                 
    numbers=none,                    
    numbersep=5pt,                  
    showspaces=false,                
    showstringspaces=false,
    showtabs=false,                  
    tabsize=2
}
\lstset{style=mystyle}

\usepackage{ifthen} % ifthen to let others use this document, based on their setup

\newboolean{svgWorks}
\setboolean{svgWorks}{true} % false = svg package NOT installed

\ifthenelse{\boolean{svgWorks}}{
    \usepackage{svg}
    \svgpath{{svg/}}
    }{}

%automate Columnbreak
\newcommand{\nextcol}{%
\vfill\null%
\columnbreak%
}

% color for  Titel / sub Titel
\definecolor{sectionbarcolor}{RGB}{148,0,255}
\definecolor{subsectionbarcolor}{RGB}{220,173,255}
\definecolor{sectiontextcolor}{RGB}{255,255,255}
\definecolor{subsectiontextcolor}{RGB}{0,0,0}

%section color box
\setkomafont{section}{\mysection}
\newcommand{\mysection}[1]{%
    \Large%
    \begin{tcolorbox}[colback=sectionbarcolor, coltext=sectiontextcolor, beforeafter skip=2pt, boxrule=0pt, arc=2pt, left=0pt, right=0pt, top=0pt, bottom=0pt]%
        {#1}%
    \end{tcolorbox}%
}

%subsection color box
\setkomafont{subsection}{\mysubsection}
\newcommand{\mysubsection}[1]{%
    \Large%
    \begin{tcolorbox}[colback=subsectionbarcolor, coltext=subsectiontextcolor, beforeafter skip=2pt, boxrule=0pt, arc=2pt, left=0pt, right=0pt, top=0pt, bottom=0pt]%
        {#1}%
    \end{tcolorbox}%
}

%Information for maketitle
\title{\vspace{-1cm}Prog C}
\subtitle{HS 2023, Prof. Dr. Christian Werner}
\author{Fabian Steiner, \today}
\date{{\small V2.1.1}}

%Header & footer
\fancyhf{}
\setlength{\footskip}{0.5cm}
\fancyfoot[L]{\thepage{} / \pageref{LastPage}}
\fancyfoot[R]{Prog C}
\renewcommand{\footrulewidth}{0pt}
\renewcommand{\headrulewidth}{0pt}

\begin{document}
	\begin{multicols*}{3}
        \raggedcolumns
        \begin{minipage}{0.75\columnwidth}
		      \maketitle
        \end{minipage}
        \begin{minipage}{0.2\columnwidth}
            \begin{center}
                \quad
                \qrcode[height=1cm]{https://github.com/Iceteavanill}
                \qquad    
            \end{center}
        \end{minipage}
        
        \thispagestyle{fancy}%Pagenumber for first page

        \input{Sections/01_Grundlagen}
        \input{Sections/02_Zahlentypen}
        \input{Sections/03_Funktionen_aus_C-Standart}
        \input{Sections/04_Steuerstrukturen}
        \input{Sections/05_Compiler}
        \input{Sections/06_Struktogramm}
        \input{Sections/07_Beispiele}
        \input{Sections/08_mathH}
        
	\end{multicols*}	
\end{document}