Изменения
→Шаг 2
\begin{cases}
v\text{, if $v$ is son by symbol $c$ in trie;}\\
root\text{, if $u$ is root and $u$ has no child by symbol $c$ in trie }
\delta(\pi(u), c)\text{, else.}
\end{cases}</tex> {{---}} функция перехода.<br /><br />
