EBK DATA STRUCTURES AND ALGORITHMS IN C
4th Edition
ISBN: 9781285415017
Author: DROZDEK
Publisher: YUZU
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Design a deterministic finite state automaton (DFA) that accepts exactly
the strings over the alphabet {A, B, ...,Z} that contain at least two R, at most one T, and
where every E comes after some S (there may be other letters in between). For instance,
your DFA should accept the strings:
• MYSTICWARRIORS
• MARSMATRIX
• SHOCKTROOPERS
• CONTRAHARDCORPS
STRIDER
but not the strings
• CRAZYTAXI (it does not contain at least two Rs)
LASTRESORT (it contains more than one T)
AFTERBURNER (there are Es without a S somewhere before them)
• BATTLECIRCUIT (all of these at the same time)
Clearly indicate the meaning of each state. One way to do this is to number the states
and have a numbered list of their meanings, but any readable method you use to label
and explain your states is fine.
Hint: there are three separate conditions accepted strings must meet; states will need to
encode whether or not each one is met (or perhaps partially met).
You can label an edge with the word “else" to indicate it…
Define the Functor class and explain the idea of a Functor. Give an example of a Functor for a binary tree with data stored in nodes and leaves as part of your answer: data Tree a = Leaf a | Node a (Tree a) (Tree a) Tree a = Leaf a | Node a (Tree a) Tree a = Leaf a | Node a (T (200 words max. without code).
Suppose a tree generated by a compound proposition X has only closed paths. Does this
mean that X is a contradiction? Please explain your answer.
*Suppose a tree generated by a compound proposition Y has only open paths. Does this
mean that Y is a tautology? Please explain your answer.
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EBK DATA STRUCTURES AND ALGORITHMS IN C
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- 2. A set of well-formed formulas (wffs) is given Show a proof tree for CAE. {А, А — В, В Ъ С, D, D > E}. asarrow_forwardTranslate the following Propositional logic into English sentences p: A student misses a lecture g: A student studies. r: A student fails. Find (a.) (q^ -p) → -r (b.) q ^ (-p → -r)arrow_forwardAnswer the given question with a proper explanation and step-by-step solution. Define an atom to represent an empty tree and use a term with a function symbol to represent a non-empty binary tree. Write prolog code so we can check whether a binary tree is symmetric. Other than append, length, member, \+, any predicate you need must be defined by yourself. You cannot use predicates read, write.arrow_forward
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