A finite sequence of symbols from a given alphabet will be called a string over the alphabet. A string that consists of a sequence a1, a2, a3, a4, … … … … , ?? of symbols will be denoted by the juxtaposition a1 a2 a3 a4 … … … … ??. Given the strings: ? = a2bab2and v = bab2, Evaluate the following operations for strings: (i) ԑu
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A finite sequence of symbols from a given alphabet will be called a string
over the alphabet. A string that consists of a sequence
a1, a2, a3, a4, … … … … , ?? of symbols will be denoted by the juxtaposition
a1 a2 a3 a4 … … … … ??. Given the strings: ? = a2bab2and v = bab2,
Evaluate the following
operations for strings:
(i) ԑu
(ii) u + v
(iii) u(u| v)
(iv) v | (v | u)
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Solved in 2 steps
- Target The aim of this work is to use control structures and loops. Read carefully the problem and understand what needs to be done. Read your description is given and when you understand how it works, then start designing its solution and its implementation on the computer applying the syntax and semantics of the language Java programming. Write a LongestDupSubstring.java program that accepts a string as input and compute and print the longest sub-string displayed in two times without overlap (see 5th example for overlap). If there are more from one of such sub-strings, the program displays the first one it finds as well the number of characters in the substring. If there is no substring that appears 2 times, then the program will not print anything. Execution examples (the user's input is red and the longer in length 2 substrings) 1 Example Give a string: again and again Longest substring: again Longest substring size: 5 2 Example Give a string: seven saints and seven dinners Longest…Soundex System Soundex is a system that encodes a word into a letter followed by three digtis that roughly describe how the word sounds. That is, similar sounding words have similar four-character codes. For instance, the words carrot and caret are both coded as C123. A slight variation of the Soundex coding algorithm is as follows: 1. Retain the first letter. 2. For the remaining letters, delete all occurrences of a, e, i, o, u, h, y, and w. 3. Replace the letters that remain with numbers so that (a) b, f, p, and v become 1 (b) c, g, j, k, q, s, x, and z become 2 (c) d and t both become 3 (d) l (that is, el) becomes 4 (e) m and n become 5 (f) r becomes 6 4. If the result contains two adjacent identical digits, eliminate the second of them. 5. Keep only the first four characters of what you have left. If you have fewer than four, then add zeros on the end to make the string have length four. Write a program that carries out the algorithm. See Fig. 6.86. THIS IS DONE IN VISUAL BASICLet Σ= {Ac,BA,bcb,cd,ab,f,d,e}. (a) Identify valid strings and Find the length of the valid given below strings • fefBAfbcbcdAcfab • BAeffBAAcbcbab • bcbefabfABAAceddbcb Note: factorize each string for finding their length
- 4. Palindrome String Given a string, find the minimum number of deletions required to convert it into a palindrome. For example, consider string ACBCDBAA. The minimum number of deletions required is 3. ACBCDBA A or ACBCDBAA ABCB ALet L = {ab, aa, baa}. Which of the following strings are in L* and L4: abaabaaabaa , aaaabaaaa , baaaaabaaaab , baaaaabaaCorrect answer will be upvoted else Multiple Downvoted. Computer science. You are given a string s, consisting of brackets of two types: '(', ')', '[' and ']'. A string is called a regular bracket sequence (RBS) if it's of one of the following type empty strin '(' + RBS + ')' '[' + RBS + ']' RBS + RBS where plus is a concatenation of two strings In one move you can choose a non-empty subsequence of the string s (not necessarily consecutive) that is an RBS, remove it from the string and concatenate the remaining parts without changing the order What is the maximum number of moves you can perfor Input The first line contains a single integer t (1≤t≤1000) — the number of testcases Each of the next t lines contains a non-empty string, consisting only of characters '(', ')', '[' and ']'. The total length of the strings over all testcases doesn't exceed 2⋅10 Output For each testcase print a single integer — the maximum number of moves you can perform on a given string…
- Python Pgogram Write a program that incorporates an algorithm with a function that will check whether or not a string is in a valid password format with the following rules: A password must have at least ten characters.A password consists of only letters, digits and symbol(s).A password must contain at least two digits. A password must contain at least one uppercase letter A password must contain at least one special symbol Your program should continue to prompt until the user enters a valid password. Regular expressions (regex) are not allowed!PART 2 Answered only if you Have answered part 1.......plase skip it if you dont know the correct answer i need it urgent. Will doewnvote in case of wrong or copied answers from chegg or bartleby! A regular expression (shortened as regex or regexp; also referred to as rational expression) is a sequence of characters that specifies a search pattern. Usually such patterns are used by string-searching algorithms for "find" or "find and replace" operations on strings, or for input validation. using regex create a python program to verify the string having each word start from 'j'? It should return True otherwise false.Input: a string in a line. ➢ Output: Print the pattern and the repeated count if there is a repeated pattern, Print "none" otherwise. ➢ Task: Design an algorithm in pseudocode/code to for the problem and write down the Algorithm analysis. The complexity of the algorithm must be in O(n). ➢ PS: You use the algorithm for string matching taught in class. The repeated pattern is valid only from the first character.
- Palindromes - “A palindrome” is a string that reads the same from both directions. For example: the word "mom" is a palindrome. Also, the string "Murder for a jar of red rum" is a palindrome. - So, you need to implement a Boolean function that takes as input a string and its return is true (1) in case the string is a palindrome and false (0) otherwise. - There are many ways to detect if a phrase is a palindrome. The method that you will implement in this task is by using two stacks. This works as follows. Push the left half of the characters to one stack (from left to right) and push the second half of the characters (from right to left) to another stack. Pop from both stacks and return false if at any time the two popped characters are different. Otherwise, you return true after comparing all the elements. Phrases of odd length have to be treated by skipping the middle element like the word "mom", your halves are "m" and "m". - Hint: (without using STL)Design a DFA L(M) = {w | w ε {0, 1}*} and W is a string that does'nt contain consecutive 1's.String: abcdefghijklmnopqrstuvwxyzyxwvutsr qponmlkjihgfedcba Make a program that: reads a letter from standard input print the above string up to this letter For example, if the letter was c, the output would be: abcba Must use a function and Python