<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">\begin{pseudo}*

    \hd{Backward}(V, E, v, i) \\

    $v.\id{label} = i$ \\

    for $(u,v)\in E$ \\+
        if $0 &lt; v.\id{label} &lt; i$ \\+
            \pr{Backward}(V, E, u, i) \\--

    for $(u,v)\in E$ \\+
        if $u.\id{label} \== 0$ \\+
            \pr{Backward}(V, E, u, i+1)

\end{pseudo}
</pre></body></html>