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20 lines
552 B
TeX
20 lines
552 B
TeX
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\documentclass[varwidth=true, border=2pt]{standalone}
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\usepackage{tikz}
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\usetikzlibrary{arrows,positioning}
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\begin{document}
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\tikzstyle{vertexs}=[draw,fill=black,circle,minimum size=4pt,inner sep=0pt]
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\begin{tikzpicture}
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\foreach \x in {0,1,2}
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\foreach \y in {0,1,2}{
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\node (a)[vertexs] at (\y,0) {};
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\node (b)[vertexs] at (\x,1) {};
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\draw (a) -- (b);
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}
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\draw[green,ultra thick] (1,1) -- (0,0);
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\node (b)[vertexs,red] at (1,1) {};
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\node (b)[vertexs,red] at (0,0) {};
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\end{tikzpicture}
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\end{document}
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