sequence-algorithms/figures/part1/minimal_suffix_automaton_ex...

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\documentclass[tikz]{standalone}
\usepackage{tikz}
\begin{document}
\usetikzlibrary{automata,positioning}
\iffalse
$S = $ TCATCATT
The suffix language of $S$ is $\{TCATCATT, CATCATT, ATCATT, TCATT, CATT, ATT, AT, T\}$.
\fi
\begin{tikzpicture}[shorten >=1pt,node distance=2cm,on grid, auto]
\node[state, initial] (q_0) {$q_{0}$};
\node[state,right=of q_0,accepting] (q_1) {$q_{1}$};
\node[state,right=of q_1] (q_2) {$q_{2}$};
\node[state,right=of q_2] (q_3) {$q_{3}$};
\node[state,right=of q_3] (q_4) {$q_{4}$};
\node[state,right=of q_4] (q_5) {$q_{5}$};
\node[state,right=of q_5] (q_6) {$q_{6}$};
\node[state,right=of q_6] (q_7) {$q_{7}$};
\node[state,right=of q_7,accepting] (q_8) {$q_{8}$};
\path[->] (q_0) edge node {T} (q_1)
(q_1) edge node {C} (q_2)
(q_2) edge node {A} (q_3)
(q_3) edge node {T} (q_4)
(q_4) edge node {C} (q_5)
(q_5) edge node {A} (q_6)
(q_6) edge node {T} (q_7)
(q_7) edge node {T} (q_8);
% CATCATT
\path[->] (q_0) edge[bend right=40] node {C} (q_2);
% ATCATT
\path[->] (q_0) edge[bend right=50] node {A} (q_3);
% TCATT
\path[->] (q_4) edge[bend right=30] node {T} (q_8);
% CATT
% ATT
%\path[->] (q_0) edge[bend right=50] node {A} (q_6);
% TT
\path[->] (q_1) edge[bend left=30] node {T} (q_8);
\end{tikzpicture}
\end{document}