regular set? Also write R.E for the following and explain,
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What is a regular set? Also write R.E for the following and explain,
(a) All strings over {0, 1} with the substring '0101'.
(b) All strings beginning with '11' and ending with ab.
(c) Set of all strings over {a, b} with 3 consecutive b's.
Step by step
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- 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.Write up what the properties of sets, lists, vectors and strings are and whether they are mutable or immutable. Then consider the class of problems that they are best for and use some code to illustrate your points. E.g., if you have a function that solves a problem using lists, then you can say why you can/can’t use vectors for it or sets etc?3. Find the Pairs of complete strings in two sets. Hint: Two strings are said to be complete if on concatenation, they contain all the 26 English alphabets. For example, "abcdefghi" and "ikimnopqrstuvwxyz" are complete as they together have all characters from a to 'z We are given two sets of sizes n and m respectively and we need to find the number of pairs that are complete on concatenating cach string from set 1 to each string from set 2.
- I want code in RUBY only Space X is planning to start Star link. Programmers at SpaceX are having trouble to implement wildcard pattern matching supporting only the wildcard '?'. The wildcard character '?' can be substituted by any single lower case English letter for matching. He has two strings X and Y of equal length, made up of lower case letters and the character '?'. He wants to know whether the strings X and Y can be matched or not. The first line of input contain an integer T denoting the number of test cases. Each test case consists of two lines, the first line contains the string X and the second contains the string Y. For each test case, output a single line with the word Elon if the strings can be matched, otherwise output Musk. Input: Output: 2 Elon s?or? Musk sco?? stor? sco??Pangram A pangram is a word or a sentence that contain every letter of the alphabet. For example, the most well-known pangram in English is "A quick brown fox jumps over the lazy dog" Write a function is_pangram (s:str) -> bool that determines if the strings is a pangram. There are many ways to implement this. Think about how Python set and the notions of subset and superset might be useful here. Examples assert is_pangram ("A quick brown fox jumps over the lazy dog") == True assert is_pangram ("A Quick bRown FOX ?? jumpsssss over the lazy dog 77") == True assert is_pangram ("A brown fox jumps over the lazy do, what?") == False assert is_pangram("duh") == False Your Answer: 1 # Put your answer here 2 SubmitCorrect answer will be upvoted else downvoted. Computer science. Vanya needs to count the number of unacceptable integers for the picked set S. Vanya plans to attempt various sets S. He needs you to compose a program that tracks down the number of inadmissible integers for the underlying set S, and after each change to the set S. Vanya will make q changes to the set, and each change is one of the accompanying two sorts: add another integer a to the set S, or eliminate some integer a from the set S. Input The principal line contains two integers n, q (1≤n,q≤200000) — the size of the underlying set S and the number of changes. The following line contains n particular integers s1,s2,… ,sn (1≤si≤1013) — the underlying components of S. Every one of the accompanying q lines contain two integers ti, computer based intelligence (1≤ti≤2, 1≤ai≤1013), depicting a change: In the event that ti=1, an integer simulated intelligence is added to the set S. It is ensured that…
- Construct a set S of strings in lowercase (R = 26) for which the R-way trie uses space (in words) less than the total number of characters in strings in S. (The number of characters in the set {abc, bcd, aabd} is 10.)In this task you will work with the linked list of digits we have created in the lessons up to this point. As before you are provided with some code that you should not modify: A structure definition for the storage of each digit's information. A main() function to test your code. The functions createDigit(), append(), printNumber(), freeNumber(), readNumber() and divisibleByThree() (although you may not need to use all of these). Your task is to write a new function changeThrees() which takes as input a pointer that holds the address of the start of a linked list of digits. Your function should change all of those digits in this linked list that equal 3 to the digit 9, and count how many replacements were made. The function should return this number of replacements. Provided codeIn C language, implement the following two functions that allow breaking a string into non-empty tokens using a given delimiter. For example, For a string "abc-EFG-hi", and a delimiter '-': the list of tokens is ["abc", "EFG", "hi"] For a string "abc-EFG---hi-", and a delimiter '-': the list of tokens is ["abc", "EFG", "hi"] For a string "abc", and a delimiter ' ': the list of tokens is ["abc"] For a string "++abc++", and a delimiter '+': the list of tokens is ["abc"] That is, we break the string using the given delimiter, and the tokens are only the non-empty substrings. 1. The function count_tokens gets a string str, and a char delim, and returns the number of tokens in the string separated by delim. int count_tokens(const char* str, char delim); For example count_tokens("abc-EFG--", '-') needs to return 2. count_tokens("++a+b+c", '+') needs to return 3. count_tokens("***", '*') needs to return 0. 2. The function get_tokens gets a string str, and a char delim, and returns the…
- please code in python isupper() checks if all the letters in a string upper case. the task is to write a program that will do the same without isupper. (for this we need to create a list of letters in the upper case and check the entry of each element in the list; use if, for, all(), the program needs to show 'true /false' as a result.Count the number of strings of length 5 over A = {a, b, c, d} that begins with a, ends with d and have exactly two b’s.Write up what the properties of sets, lists, vectors and strings are and whether they are mutable or immutable. Then consider the class of problems that they are best for and use some code to illustrate your points. E.g., if you have a function that solves a problem using lists, then you can say why you can/can’t use vectors for it or sets etc. (in context of racket medium)