Count the number of strings of length 9 over the alphabet {a, b, c} subject to the restriction that the first or the last character is a.
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Count the number of strings of length 9 over the alphabet {a, b, c} subject to the restriction that the first or the last character is a.
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- 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) NoneGiven 2 strings, return their concatenation, except remove the last character of each and swap the order of the inputted words. The strings will be at least length 3. Ex: If the input is: bird penguin the output is: pengiubir Ex: If the input is: loving csce the output is: csclovinSoundex 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.
- 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 BASICConsider the following procedures for string manipulation. Procedure Call Explanation concat(str1, str2) Returns a single string consisting of str1 followed by str2. For example, concat("key", "board") returns "keyboard". substring(str, start, length) Returns a substring of consecutive characters from str, starting with the character at position start and containing length characters. The first character of str is located at position 1. For example, substring("delivery", 3, 4) returns "live". len(str) Returns the number of characters in str. For example, len("pizza") returns 5. Assume that the string oldString contains at least 4 characters. A programmer is writing a code segment that is intended to remove the first two characters and the last two characters from oldString and assign the result to newString. For example, if oldString contains "student", then newString should contain "ude". Which of the following code segments can be used to assign the intended string to…Consider the following procedures for string manipulation. Procedure Call Explanation concat(str1, str2) Returns a single string consisting of str1 followed by str2. For example, concat("key", "board") returns "keyboard". substring(str, start, length) Returns a substring of consecutive characters from str, starting with the character at position start and containing length characters. The first character of str is located at position 1. For example, substring("delivery", 3, 4) returns "live". len(str) Returns the number of characters in str. For example, len("pizza") returns 5. Assume that the string oldString contains at least 4 characters. A programmer is writing a code segment that is intended to remove the first two characters and the last two characters fromoldString and assign the result to newString. For example, if oldString contains "student", then newString should contain "ude". Which of the following code segments can be used to assign the intended string to…
- Complete the function ratio_similarity, which computes the ratio of "similarity" between two non-empty strings. The ratio is computed as follows: 2 (the number of matches of characters) / (total number of characters in both strings) The matches are determined in pairwise fashion. For example, consider the strings abcdef and abdce. The three characters at indexes 0, 1 and 4 match. Therefore, the similarity ratio is 2 * 3/(6 + 5) = 0.5454 .... Examples: Function Call string_similarity('abcdef', 'abdce') string_similarity('dragon', 'flagon') string_similarity('stony', 'stony') string_similarity('Stony Brook University', 'WolfieNet Secure') string_similarity('yabba dabba doo', 'bippity boppity boo') string_similarity('Wolfie the Seawolf', "What's...a Seawolf?") [ ] Return Value 3 4 5 # Test cases 6 print (string_similarity('abcdef', 'abdce')) 7 print (string_similarity('dragon' 1 'flagon')) 'stony')) 0.5454545454545454 0.6666666666666666 1.0 0.0 0.058823529411764705 0.4864864864864865 1…le.com/forms/d/e/1FAlpQLSc6PlhZGOLJ4LOHo5cCGEf9HDChfQ-tT1bES-BKgkKu44eEnw/formResponse The following iterative sequence is defined for the set of positive integers: Sn/2 3n +1 ifn is odd if n is even Un = Using the rule above and starting with 13, we generate the following sequence: 13 u13 = 40 u40 =20 u20 = 10→ u10 =5 u5 = 16 u16 = 8 ug = 4 → Us =2 u2 =1. It can be seen that this sequence (starting at 13 and finishing at 1) contains 10 terms. The below function takes as input an integer n and returns the number of terms generated by the sequence starting at n. function i-Seq (n) u=n; i=%3; while u =1 if statement 1 u=u/2; else statement 2 end i=i+1; end statement 1 and statement 2 should be replaced by: None of the choices statement 1 is "mod(u,2)=D%3D0" and statement 2 is "u = 3*u+1;" statement 1 is "u%2" and statement 2 is "u = 3*u+1;" O statement 1 is "mod(n,2)=30" and statement 2 is "u = 3*n+1;"Provide examples of how to find the first or last time a particular character appears: string(), stringchr ()
- String orig_string is read from input. Assign variable sliced_string with the orig_string slice that excludes the characters at indices 10 and 11.Complete the following sentence. The function returns true (1) if first n characters of two strings are identical.A3 = {w ∈ {1,0}* | every odd position in w is an 1}. Provide regular expression. explain in detail include possible strings and NFA