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LaTeX-examples/presentations/Diskrete-Mathematik/LaTeX/walks/walk-2.tex

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\documentclass[varwidth=true, border=2pt]{standalone}
\usepackage{tikz}
\usetikzlibrary{arrows,positioning}
\tikzset{
%Define standard arrow tip
>=stealth',
% Define arrow style
pil/.style={->,thick}
}
\begin{document}
\begin{tikzpicture}
\node (a)[vertex] at (0,3) {};
\node (b)[vertex] at (0,1) {};
\node (c)[vertex] at (1,0) {};
\node (d)[vertex] at (2,0) {};
\node (e)[vertex] at (3,0) {};
\node (f)[vertex] at (4,1) {};
\node (g)[vertex] at (4,3) {};
\foreach \from/\to/\color in {b/c/black,c/d/red,d/e/blue,e/f/lime}
\draw[line width=2pt,\color] (\from) -- (\to);
\end{tikzpicture}
\end{document}