brief_intro_to_qc/figures/coin_flip_probabilistic.tex

\documentclass{standalone}

\usepackage{tikz}
\usetikzlibrary{graphs, graphdrawing, graphdrawing.trees}

\begin{document}
\begin{tikzpicture}
  \graph[tree layout]{
    A -> {B , C}
  };
\end{tikzpicture}
\end{document}