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![Trace the following execution:
switch (x) {
case 10:
console.log(x + 10);
break;
case 20:
console.log(x + x);
break;
case 30:
console.log(x - 10);
break;
case 40:
console.log(x + 5);
break;
default:
console.log(x);
break;
What is the console output if x = 50 - 20?
O A. 20
B. 45
OC. "20"
O D.30](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0a0f25c6-177a-4f25-9009-2ad8a01b8d40%2F35f11e32-ee98-4b52-a473-964413dcf719%2Fdvjl2lp_processed.jpeg&w=3840&q=75)
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- Language: C++ Write a Program with Comments for your code to improve quick sort. The quick sort algorithm presented in the ClassNotes-Sorting, it selects the first element in the list as the pivot. Revise it by selecting the median among the first, middle, and last elements in the list.Explain your Outputs or Answers for the following: (A) Analyze your algorithm, and give the results using order notation. (B) Give a list of n items (for example, an array of 10 integers) representing a scenario. Please compile your answers in a file including all source code with comments, Explain your running Outputs or Answers in (A) and (B). Quicksort that was mentioned in the ClassNotes: #include <iostream>using namespace std; // Function prototypesvoid quickSort(int list[], int arraySize);void quickSort(int list[], int first, int last);int partition(int list[], int first, int last); void quickSort(int list[], int arraySize){quickSort(list, 0, arraySize - 1);} void quickSort(int…Language: C++ Write a Program with Comments for your code to improve quick sort. The quick sort algorithm presented in the ClassNotes-Sorting, it selects the first element in the list as the pivot. Revise it by selecting the median among the first, middle, and last elements in the list.Explain your Outputs or Answers for the following: (C) Give a list of n items (for example, an array of 10 integers) representing the worst-case scenario. (D) Give a list of n items (for example, an array of 10 integers) representing the best-case scenario. Please compile your answers in a file including all source code with comments, Explain your running Outputs or Answers in (A) ~(D). Quicksort that was mentioned in the ClassNotes: #include <iostream>using namespace std; // Function prototypesvoid quickSort(int list[], int arraySize);void quickSort(int list[], int first, int last);int partition(int list[], int first, int last); void quickSort(int list[], int arraySize){quickSort(list, 0,…Display the password from the main() function. Write a function replaceVowels() with no return value to replace all the vowels (A, E, I, O, U) that have been selected with a symbol from the list ($ % @# &). That is, A must be replaced by $, E replaced by %, I must be replaced by @, O replaced by #, and U must be replaced by &. The function receives the address of the first characters of the password string as parameter. Display the password agin from the main() function.
- What is the value of the median-of-3 for the following list. [80, 47, 41, 21, 40, 68, 78, 18, 75, 46, 30] Notes: • Your answer should be a single valid, non-negative, literal Python int value. For example, 123 is a valid int literal. • This question is asking about before any partition operation is carried out. • This is not asking for the median-of-3 index. • You can pre-check your answer (to check it's a valid, non-negative, literal int).Implement the following Racket functions: You must use recursion, and not iteration. You may not use side-effects (e.g. set!). Transitive? Input: a list of pairs, L. Interpreting L as a binary relation, Transitive? returns #t if L is a transitive relation and #f otherwise. Examples: (display "Transitive? \n") (Transitive? '((a b) (b c) (a c))) ---> #t (Transitive? '((a a) (b b) (c c))) ---> #t (Transitive? '((a b) (b a))) ---> #f (Transitive? '((a b) (b a) (a a))) ---> #f (Transitive? '((a b) (b a) (a a) (b b))) ---> #t (Transitive? '())---> #tI need the code from start to end with no errors and the explanation for the code ObjectivesJava refresher (including file I/O)Use recursionDescriptionFor this project, you get to write a maze solver. A maze is a two dimensional array of chars. Walls are represented as '#'s and ' ' are empty squares. The maze entrance is always in the first row, second column (and will always be an empty square). There will be zero or more exits along the outside perimeter. To be considered an exit, it must be reachable from the entrance. The entrance is not an exit.Here are some example mazes:mazeA7 9# # ###### # # ## # # #### # ## ##### ## ########## RequirementsWrite a MazeSolver class in Java. This program needs to prompt the user for a maze filename and then explore the maze. Display how many exits were found and the positions (not indices) of the valid exits. Your program can display the valid exits found in any order. See the examples below for exact output requirements. Also, record…
- Write a program called Recursive_fibonacci.java that implements a recursive function for computing the nth term of a Fibonacci Sequence. In the main method of your program accept the value of n from the user as a command-line argument and then call your function named Fibonacci with this value. The output should look exactly like what is pictured below.USING PYTHON Chapter 5 -Programming Project: Implement a function that takes in two sorted lists and merges them into one list, the new list must be sorted. The function MUST run in O(m+n), where m is the length of list 1 and n the length of list 2. In other words, the function cannot do more than one pass on list 1 and list 2.Hello, I have an assignment in the python program. Professor gives me a text like this: January.txt 217283921200.5619.18,29.15,78.75,212.10100,20,410.29 The first line is an account number, the second line is the beginning balance, the third line is withdrawn and the last line is deposits. How can I separate every single line to read them. Can I use the loop function? Below is the assignment direction. Thank you very much ___________________________________________________________ Complete the following program: a) Read in and store the data from the file called “January.txt”. This file includes the customer’s account number, beginning balance, withdrawals, and deposits. (In that order) Note: Make sure you look at the file before you begin the project! b) Prompt the user for his/her name and age. c) Convert the customer’s name to a username that consists of the first letter of the first name, the first 5 digits of last name, and the customer’s age.(All letters should be lowercase)…
- ) Implement shell sort for a given sequence of increments. Display the outputlist at the end of each pass.let's fill in the blanksWhat is the index of the median-of-3 for the following list. [39, 27, 67, 91, 24, 28, 17, 70, 12, 89, 16, 69] Notes: • Your answer should be a single valid, non-negative, literal Python int value. For example, 123 is a valid int literal. • This question is asking about before any partition operation is carried out. • This is not asking for the median-of-3 value. • You can pre-check your answer (to check it's a valid, non-negative, literal int). Answer: (penalty regime: 10, 20, ... %) Precheck Check
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