Draw DFA for the set of strings over {a,b} that start with aa and have even number of b’s.
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Draw DFA for the set of strings over {a,b} that start with aa and have even number of b’s.
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- Please draw with the computer Draw a standard trie for the following set of strings: { banana, banner, ban, banned, banger, bank}Draw NFA that accepts the set of strings over {a, b} such that there should be at least one substring which starts and ends with a b and the number of symbols between these two b’s is divisible by 4. Example: abababaaaababab, babbaa (since 0 is divisible by 4), ababababbaa.lMaximum Length Common Suffix Problem is defined as follows: Input: a list of L of n strings over the lowercase English alphabet of various lengths, maximum 10 characters Output: the longest common suffix among all the strings, or if they do not have a common suffix. A suffix is a list of characters attached at the end of a word; for example, the word "letter" has as suffixes the empty string, the word itself, and "r", "er", "ter", "tter", and "etter". Design a divide-and-conquer algorithm for it similar to merge sort algorithm and write a pseudocode for it. If you write multiple drafts, mark clearly your final draft. Hint: I expect your algorithm's time complexity ends up being O(n log n). For your convenience, the seudocode of decrease-by-half is given below. Examples: Input: n=4, L ={ "salty", "beauty", "meaty", "beatty") Output:"ty" Input: n=8, L-{"lot", "plot", "bylot", "dulot", "camelot", "effilot", "hairlot", "lelot"} Output="lot" Input: n=9, L={"lol", "tutu", "aba", "ddr",…
- Build a DFA that accepts the set of string over {a,b} that do not begin with the substring aaa.Assume the alphabet ∑ is {a, b, c}. In the following questions, give a regular expression that represents the described set. a) The set of all strings over {a, b, c} containg at least one b or at least one c. b) The set of all strings over {a, b, c} that begins with bb and ends with cc. c) The set of all strings over {a, b, c} that contains the substing ab or bc. d) The set of all strings over {a, b, c} either starts and ends with a or starts and ends with c. e) The set of all strings over {a, b, c} starts with at least one a and ends with at least one b immediately followed by zero or more number of c.Convert NFA L2 = {set of all strings over (a, b) that starts with ‘a’ and ends with ‘b’ to its equivalent DFA.
- Colouring Book Having spent the last couple of hours grading assignments, I decide it’s time for a break. I take out my favourite colouring book, turn to a random page I haven’t coloured in yet, and lay it on my desk. I then take out all my n crayons and line them up on the desk (it’s a very long desk). The colour of the ith crayon is a string c[i] (e.g. "blue"). Many of the crayons have the same colour. In fact, no matter how many crayons I have, there are at most 30 distinct colours amongst them. To start colouring, I always take a sublist (see Q1 for a definition) of the crayons laid on the desk and put away the rest (too many options can be overwhelming and can lead to indecision). I take a look at the line art in front of me and wonder, “How many different colours do I need to make this look great? One? Two? Maybe three?”. Now you understand my dilemma and are fully aware of my indecision. You kindly decide to help me out by telling me for every number k, if I were to use k…Correct answer will be upvoted else downvoted. Computer science. section grouping is a string containing just characters "(" and ")". A standard section succession is a section grouping that can be changed into a right number juggling articulation by embedding characters "1" and "+" between the first characters of the arrangement. For instance, section successions "()()" and "(())" are normal (the subsequent articulations are: "(1)+(1)" and "((1+1)+1)"), and ")(", "(" and ")" are not. You need to find a string b that comprises of n characters to such an extent that: b is a standard section grouping; in the event that for some I and j (1≤i,j≤n) ai=aj, bi=bj. As such, you need to supplant all events of 'A' with a similar kind of section, then, at that point, all events of 'B' with a similar sort of section and all events of 'C' with a similar sort of section. Your undertaking is to decide whether such a string b exists. Input The primary line contains a solitary…Implement the following function which accepts a string as parameter and reverses it, without using any function from the string library. void strReverse(char *str)
- The set of all strings beginning with b and no of 'a's is odd on {a,b} ba(ab'a+b)" bb'a(aba+b) bab (ab'a+b)" bb'a(aba+aab+baa+b) Noneplease code in python You are given an array of strings arr. Your task is to construct a string from the words in arr, starting with the 0th character from each word (in the order they appear in arr), followed by the 1st character, then the 2nd character, etc. If one of the words doesn't have an ith character, skip that word.Let s be a string of length 2 with characters from {0, 1, 2}, and define statements a, b, c, and d as follows:a = “the first character of s is 0”b = “the first character of s is 1”c = “the second character of s is 1”d = “the second character of s is 2”. Describe the set of all strings for which each of the following is true.