Simplify the following expression as much ? as possible CD + A) + (CD + Ā)
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- Please solve the following in Java Sean can't remember where he put an important file on his computer. He desperately needs the file tonight to finish his homework, since he procrastinated all day by playing computer games. Unfortunately, his computer has gotten fried from all the gaming, and can no longer perform automatic searches for files. He therefore has to look for the file manually.Since he tends not to use subdirectories too much,he knows his best bet is to look for the file first in the root directory ("/"), and next in directories only one level deep (for example, "/Games/"), and so forth, checking the "deepest" directories last. His computer still has enough fire power to run some simple programs, so he has asked you to code for him a simple algorithm to sort all of the directories on his computer. ThealgorithmshouldtakeaString[]dirsasaninputand should sort dirs first by directory depth, and then lexicographically for each depth. So "/d/e/" comes before "/a/b/c/", but not…Fill in the blank question- Only answer needed without explanation Q. _____________ utility is used to check the file system in super blocks.Define regex. Write java program to demonstrate the use of regex by validating email address. Email should be having following pattern a. Alphanumeric characters b. @ c. Characters d. ‘.’ e. Characters Example of correct emails: asad12@yahoo.com, asad@live.com, ameen@gmail.com Example of incorrect emails: asad@yahoo1.com, numn@live.com1, waleedgmail.com
- Python: numpy def serial_numbers(num_players):"""QUESTION 2- You are going to assign each player a serial number in the game.- In order to make the players feel that the game is very popular with a large player base,you don't want the serial numbers to be consecutive. - Instead, the serial numbers of the players must be equally spaced, starting from 1 and going all the way up to 100 (inclusive).- Given the number of players in the system, return a 1D numpy array of the serial numbers for the players.- THIS MUST BE DONE IN ONE LINEArgs:num_players (int)Returns:np.array>> serial_numbers(10)array([1. 12. 23. 34. 45. 56. 67. 78. 89. 100.])>> serial_numbers(12)array([1. 10. 19. 28. 37. 46. 55. 64. 73. 82. 91. 100.])""" # print(serial_numbers(10)) # print(serial_numbers(12))Please don't copy but clear writing plAnswer in JavaScript Tim while preparing for his CAT exam, was studying the topic Number Systems. He encountered a loving da question: Given a number N, find the number of pairs (cy) where both x and y are less than N and Highent Common Factor(HCF) of x and y is 1. You have to solve the question for him. Note: 0 can be included within the pairs Input Specification: Input: The number N from which the pairs (x,y) should be obtained Output Specification: Return the total number of pairs Example 1: input1: 4 Output: 9 Explanation: The pairs can be (1,0) ,(0,1) (1,1) (1,2) (2,1) (0, 3) (3,1) (2,3) (0,2) So, a total of 9 pairs
- 1. Design an algorithm to find the weighted sum of four test scores (https://en.wikipedia.org/wiki/Weight_function). Assume that the weights have been accurately calculated in advance such that their sum equals one. Your algorithm must-read in the four test scores and four corresponding weights in the following order: score1 weight1 score2 weight2 score3 weight3 score4 weight4 Write your algorithm such that it can be run with any set of data values. However, you can test your algorithm on the following sample data to verify that the result is 70: 90 0.10 80 0.20 70 0.30 60 0.40 2. Write an algorithm that prompts the user for the radius, in inches, and price of a pizza, and then reads in those values. Finally, have the algorithm compute and output the pizza’s cost per square inch. 3. Sports exercise advisor algorithm. In this algorithm you will start out with a temperature value in Celsius, so you do not need to ask the user for it. First, convert the temperature to Fahrenheit.…Brute force equation solver this is python program. Numerous engineering and scientific applications require finding solutions to a set of equations. Ex: 8x + 7y = 38 and 3x - 5y = -1 have a solution x = 3, y = 2. Given integer coefficients of two linear equations with variables x and y, use brute force to find an integer solution for x and y in the range -10 to 10. Ex: If the input is: 8 7 38 3 -5 -1 Then the output is: 3 2 Use this brute force approach: For every value of x from -10 to 10 For every value of y from -10 to 10 Check if the current x and y satisfy both equations. If so, output the solution, and finish. Ex: If no solution is found, output: No solution You can assume the two equations have no more than one solution. Note: Elegant mathematical techniques exist to solve such linear equations. However, for other kinds of equations or situations, brute force can be handy. ''' Read in first equation, ax + by = c '''a = int(input())b = int(input())c = int(input()) ''' Read in…Program Specifications: Your task is to write a program that can decrypt a message that has been encoded using a Caesarcipher. Stated another way, you need to find the “shift” for the cipher. Once you have the shift,you know the mapping so you can decrypt the message. the encryption code. use python. def encrypt(text, r): #abcdefghijklmnopqrstuvwxyzresult = ''for i in range(len(text)): # Hello Khoorchar = text[i]if char.isupper():result = result + chr((ord(char) + r - 65 ) % 26 + 65)else:result = result + chr((ord(char) + r - 97) % 26 + 97)return result while True:msg = input("\n\tEnter a String / message e.g. Today is Thursday ")rotation = int(input("\n\tEnter number of rotation e.g. 3 "))print("\n\tOriginal Message is==> ",msg," with rotation ",rotation, " The CypherText ", encrypt(msg,rotation)) No hand written and fast answer with explanation
- Compilation Techniques a. Create a Ꜫ-NFA for the following RE: (a | ba) ? a (b | ab)* b. Create a CFG for the following RE: (01 | 0)* 1 (10 | 0)+IN C PROGRAMMING LANGUAGE AND COMMENT EVERY LINE SO I COULD UNDERSTAND EVERY STEP PLEASE, Write a program that implements the binary search for a set of integers stored in a data file. (Note that the data set in sorted in an ascending order).python: def dna_slice(strand, first_nucleotides, last_nucleotides): """ Question 3 - Regex You are working with a long strand of DNA. Your task is to find and return the length of the first substrand that begins with the two-letter sequence specified in first_nucleotides and ends with the sequence specified in last_nucleotides. THIS MUST BE DONE IN ONE LINE. Args: strand (str) first_nucleotides (str) last_nucleotides (str) Returns: int strand_1 = 'TATGGGTCGAGCATGT' >>> dna_slice(strand_1, 'AT', 'CG') 8 >>> dna_slice(strand_1, 'GT', 'TG') 10 """ strand_1 = 'TATGGGTCGAGCATGT' pprint(dna_slice(strand_1, 'AT', 'CG')) pprint(dna_slice(strand_1, 'GT', 'TG'))