Explain each line of haskell code -- function to help double every other element of list doubleDigitsHelper :: [Integer] -> Integer -> [Integer] doubleDigitsHelper l t | l == [] = [] -- in line 5 l is assigned to an empty list | t == 0 = [head l] ++ (doubleDigitsHelper (drop 1 l) 1) | t == 1 = [2*(head l)] ++ (doubleDigitsHelper (drop 1 l) 0)   -- function to double every other element doubleDigits :: [Integer] -> [Integer] doubleDigits l = reverse (doubleDigitsHelper (reverse l) 0)

Q: emacs/lisp function  Write a function in Lisp that takes one parameter which we can assume to be a…

A: 1) Below is LISP program that defines a function that takes one list parameter and print all the…

Q: Identify the output execution of print() function in main?

A: Given list L1 is initialized as 23->32->21->12 print() function not returning anything but…

Q: Write a function reverse_iter_for that takes a list and returns a new list that is the reverse of…

A: Function starts with def in python First declare a reversed list with 0 elements Then reverse list…

Q: Write a function oddfirst : int list -> int list - that takes a int list and returns the same list,…

A: I give the code in Python along with output and code screenshot

Q: Haskell Using "merge", define a function "msort :: Ord a => [a] -> [a]" that implements "merge…

A: BELOW  ? COMPLETE  HASKELL PROGRAM REGARDING YOUR PROBLEM :

Q: Using the ListNode structure introduced in this chapter, write a function void printFirst(ListNode…

A: Given:  void printFirst(ListNode *ptr)

Q: PLEASE IN SML/ML!!! Write a subset_sum function that will take an int and a list of ints. It will…

A: In this question we have to write a SML or ML program for a subset_sum function that will take an…

Q: ef normal (L):      '' '(list of int) -> list      Precondition: len (L)> = 1      This function…

A: We need to define the function normal() as per the given descriptio .

Q: Question: First write a function mulByDigit :: Int -> BigInt -> BigInt   which takes an integer…

A: Algorithm:Define a data type BigInt as a list of integers to represent positive big…

Q: C++ DOUBLY LINKED LIST: Implement the remove_between function for my code: This function removes…

A: Given: Write and Implement the remove_between function in C++ which will removes the inserted/ added…

Q: struct insert_at_back_of_dll { // Function takes a constant Book as a parameter, inserts that book…

A: Find the snippet.

Q: write a Boolean function in F# programming language named indexWiseGreater that receives two list of…

A: ANSWER:-

Q: Canvas Assume class StackType has been defined to implement a stack data structure as discussed in…

A: Taking a stack and a variable count for solving the following question

Q: Problem: List Reverse in JavaScript Given a list: var list = { value: 1, next: { value: 2, next: {…

A: A function reverseList(list) has been declared. The starting value of the list is stored in the…

Q: Using HASKELL Define function sumProduct that receives a list of numbers and returns a pair, where…

A: In Haskell, we have sum li function which will return the summation of all elements in the list li.…

Q: Write a function called CommonElements that takes in two ADT Lists and returns a new ADT List with…

A: The language of function is C++ as no language is mentioned   but logic remains the same Function to…

Q: Apply to each sublist: Write a function apply_to_each_sublist : ’a list list -> (’a -> ’a -> ’a) ->…

A: In this question we have to write a oCaml function for the given problem statement Let's code and…

Q: Old MathJax webview Old MathJax webview         In Java Some methods of the singly linked list…

A: Answer: our instruction is answer the first three part from the first part and .I have done code…

Q: 1. a function that takes in a list (L), and creates a copy of L. note: The function should return a…

A: As per our guidelines, we are supposed to answer only one question. Kindly repost the remaining…

Q: ts as parameters that deletes every occurrence of every element of the second list from the first…

A: Write a function diffList with two lists as parameters that deletes every occurrence of every…

Q: Write a Haskell function descending that receives a list and returns whether its values are in…

A: Haskell is a broadly useful, statically composed, simply functional programming language with type…

Q: Write a function littler_indices (integers, upper_limit) that returns a list of the indexes of every…

A: def littler_indices(integers, upper_limit):    i_list = []    for i in range(0, len(integers)):…

Q: Redefine putStr :: String -> 10 () using a list comprehension and the library function sequence_ ::…

A: the answer of above question is given below:-

Q: In Haskell: Code a function named "last" for lists that returns the last element of a list using…

A: Here is an illustration of a "last" function in Haskell for lists that makes use of the built-in…

Q: USING LISP Write a function REMOVE-NUM that takes a list and returns a list consisting of the…

A: Here is the program in LISP:

Q: In C++ Plz LAB: Grocery shopping list (linked list: inserting at the end of a list) Given main(),…

A: Answer :  Here's a possible implementation of the InsertAtEnd() function in the ItemNode class: void…

Q: Complete the function reverse_iter_while that behaves identically to reverse_iter_for but is…

A: Define a function, reverse_iter_while() yo reverse the list using while loop. Iterate through the…

Q: This function finds the minimum number in a list. What should be replaced with in order for this…

A: In the given code, the first element is stored as min and then iterated over array

Q: C++ programming It’s my humble request don’t use chegg Given a set of integer values of size n (each…

A: Selection Sort Algorithm: Iterate the given list N times where N is the number of elements in the…

Q: In Ocaml Write a function l3_of_3l : ’a list * ’b list * ’c list -> (’a * ’b * ’c) list = that…

A: To implement the 'l3_of_3l' function in OCaml, we must convert a triple of lists into a list of…

Q: Write the function splitList that takes the first argument list and splits it into two: a list of…

A: Code   listElementT splitList(listADT list, listADT* ItList, listADT* geList) {    if (list == NULL)…

Q: Use C++ Programming language: Design and implement your own linked list class to hold a sorted list…

A: Given: Use C++ Programming language: Design and implement your own linked list class to hold a…

Q: 8.18 LAB: Simple linked list Given an IntNode struct and the operating functions for a linked list,…

A: Here is your solution -

Q: Kindly fix the error in this code  from typing import List #definition of the count_odds()…

A: Given error code: from typing import List #definition of the count_odds() function which takes…

Q: This is to be done in ML programming language. Please use the simplest code possible, nothing too…

A: A couple of supporting functions are written to maintain the order of elements after removal. 1.…

Q: Note: Code in c++ Consider the following statements: unorderedLinkedList myList;…

A: Solution:   Given,   Consider the following statements: unorderedLinkedList myList;…

Q: In Haskell, use list comprehension to return all the numbers greater than 18 and divisible by 2 in…

A: This question comes from Haskell Programming Language which is a paper of Computer Science. Let's…

Q: in haskell: Write a function sumNums that adds the items in a list and returns a list of the…

A: Haskell is a high-level programming language. It is a purely functional programming language.…

Q: C++ The List class represents a linked list of dynamically allocated elements. The list has only one…

A: Copy constructor A copy constructor is a member function that initializes an object using another…

Q: struct insert_at_back_of_sll { // Function takes a constant Book as a parameter, inserts that book…

A: Required code is as follows as provided in the next step:

Q: In c++  Please show me the Test output *You may not use any STL containers in your implementations…

A: Actually, program is an executable software that runs on a computer.

Q: Python|you can use modules if necessary order is a list of pairs in the form of 'X-Y' order =…

A: Answer: Algorithms: Step1: This is print the first Index of X element pair with the Y element…

Q: Recursive Count Write a recursive function rc_count (L:List[int], x:int) -> int that takes a list L…

A: I attached your answer below.

Q: Programming in Haskell

A: Code: data Tree a b = Branch b (Tree a b) (Tree a b)                | Leaf a    tree :: Tree Int…