ay be more than one answer(s). Select all that apply. Which of the following is an application of stack? Group of answer choices Reverse a string Recursion implementation Evaluation of postfix expression The "Back" feature in Microsoft Word.
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- In Python: Write a recursive function named Multiply2 that multiples by 2 and prints each element in a given list. For example: mylist=[1,2,3,4] Multiply2(mylist) prints: 2 4 6 8 Note: the function takes only one parameter, which is the list on which the operation will be performed. It's ok if the list becomes empty after calling the function.Try a spatuladef pancake_scramble(text):Analogous to flipping a stack of pancakes by sticking a spatula inside the stack and flipping over the stack of pancakes resting on top of that spatula, a pancake flip of order k performed for the text string reverses the prefix of first k characters and keeps the rest of the string as it were. For example, the pancake flip of order 2 performed on the string 'ilkka' would produce the string 'likka'. The pancake flip of order 3 performed on the same string would produce 'klika'.A pancake scramble, as defined in the excellent Wolfram Challenges programming problems site, consists of the sequence of pancake flips of order 2, 3, ... , n performed in this exact sequence for the given n-character text string. For example, the pancake scramble done to the string 'ilkka' would step through the intermediate results 'likka', 'kilka', 'klika' and 'akilk'. This function should compute and return the pancake scramble of its parameter text string. text…In JavaScript use recursion to find the sum of all pages in the following: function getPageTotal(list) {// your code here// returns an integer}Example test case:Input: {"book":"A","pages":50,"next":{"book":"B","pages":25,"next": null}}Output: 75Reasoning: 50 + 25 pages
- Which of the following traversals is not easily implemented recursively? TO a. Preorder O b. Level-order O c. Inorder O d. all of these are easily implemented recursively O e. PostorderTask:implement a function that reverses a list of elements by pushing them onto a stack in one order and writing them back to the list in reversed order P.S:Answer must be in pythonUse an array and two index variables. Write functions or methods push, pop, and sizeof. Then write a main function or method that will allocate the stack at n=10 and push some strings in ii, print out the size, and then pop some strings from it. Note make stack be be able to hold string variable type. java
- Which best describes this axiom: ( aList.insert ( i, item ) ) . isEmpty ( ) = false None of these Adding an item to a list will always result in a list that is empty Adding an item to a list will always result in a list that is not empty Adding an item to an existing list will always result in falseSearching a list. C++ Task: Make the program run on your computer. Understand the logic of functions. Design 3 additional methods: search Unsorted_right (it starts searching from the right end oh the list) . binarySearch_recursive (it calls itself for smaller sublists). searchUnsorted_recursive (it calls itself for smaller sublists). Declare a list object D of size 50 , fill it 50 random numbers, and try your program on this new objectAnswer correctly this time else give u bad rating and downvote Using STL stacks, implement an application that does the following: Fill 20 elements into the stack Using an array, sort the elements within the stack using merge sort Place sorted items into the stack again (so your stack becomes sorted) and print the content
- can you please fix the AssertionError in this and also the code: (please don't use try and except or break/continue or recursion) def hike_unique(m: list[list[int]], start_point: tuple[int, int],end_point: tuple[int, int]) -> int: if start_point == end_point:return 0else:front_row = start_point[0]front_column = start_point[1]end_row = end_point[0]end_column = end_point[1]front_eva = m[front_row][front_column]end_eva = m[end_row][end_column]eva_diff = abs(front_eva - end_eva)if front_row == end_row:total_cost = eva_diff * (abs(front_column - end_column)) + 1elif front_column == end_column:total_cost = eva_diff * (abs(front_row - end_row)) + 1else:total_cost = eva_diff * (abs(front_row - end_row) + abs(front_column - end_column)) - 1return total_cost print(hike_unique(sample_map, (1, 1), (0, 0)) It should print 3 if the sample_map is >>> sample_map = [[1, 3], ... [0, 4]] if you do…The implementation of a queue in an array, as given in this chapter, uses the variable count to determine whether the queue is empty or full. You can also use the variable count to return the number of elements in the queue. On the other hand, class linkedQueueType does not use such a variable to keep track of the number of elements in the queue. Redefine the class linkedQueueType by adding the variable count to keep track of the number of elements in the queue. Modify the definitions of the functions addQueue and deleteQueue as necessary. Add the function queueCount to return the number of elements in the queue. Also, write a program to test various operations of the class you defined.please code in python Forbidden concepts: recursion, custom classes Create a program that finds all the prime factorials of numbers from 2 to1000. Note: proof that all numbers above 1 have at least one prime factor. Add these to a list and print out the list at the end.