Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(A) DFA for pattern “ab.*cd”, (B) DFA for pattern “ef.*gh”, (C) the composite DFA for the patterns of “ab.*cd” and “ef.*gh”. For simplicity, some transitions are omitted in these figures.
