Using the List codes, write a program to implement the following operations: 1) Create a list that has the following elements: <2; 23; 15; 5; 9 >; 2) Print the elements of the list: 3) Insert an element with value 20 before 5, and then print the eleme nts of the list; 4) Print the position of the current element; 5) Print the value of the next element. Output Example: <12 23 15 5 9> <223 15 | 20 5 9> Current pos is 3 next value is 5
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- Write the code to create a linked list using c++ Include the following functionality: Insert at the head or tail of the list. Delete one item (based on an entered value) or all of the list. Print out the linked list. Use the following class and struct to create your linked list: #include <iostream> #include <algorithm> using std::cout; using std::endl; using std::swap; struct Node { int m_data; Node* m_next; }; class LList { public: LList(); LList(int data); LList(const LList& copy); LList(LList&& move) noexcept; ~LList(); int getData(); Node* getNext(); void setData(int data); void insertHead(int data); void insertTail(int data); void deleteNode(int data); void setNext(LList* next); LList& operator = (const LList& copy); LList& operator = (LList&& move) noexcept; void printList(); private: Node* head; };Topic: Singly Linked ListImplement the following functions in C++ program. Read the question carefully. (See attached photo for reference) int removeAt(int pos) Removes the number in the posth position of the list and returns the element removed. Performing removeAt(3) in the example list will remove the 3rd element of the linked list and the updated list will be: 10 -> 30 -> 50 When the value of pos is greater than the size or less than one, return -1. int removeAll(int num) Removes all instances of num in the linked list and returns the number of instances removed. In this list 10 -> 10 -> 20 -> 30 -> 10, performing removeAll(10) will remove all three 10's and the list will look like this: 20 -> 30. Then, it will return the number of instances removed, in this case, 3. int contains(int num) This will return the position of the first instance of the element num in the list. If num is not found, return 0. In the example, having the method contains(30) will…debugg help def print_categories(main_list): if id not in main_list: print("There are no categories.") return 0 idx = 0 for items in main_list: item = items[i:] print("{idx + 1} . {item[0]} - {item[1]}%") idx += 1 return idx """ Given a list of lists, for each list stored in main_list, output its contents as follows: f"{index of category}. {item[0]} - {item[1]}%". note that indexing must start at 1 for the first item, not 0, which is first item's actual index in main_list. If `main_list` is empty, the function prints "There are no categories." Returns the number of categories. """ def is_valid_index(idx, in_list): if (idx in in_list - 1): if len(idx) != 0: """ Checks whether the provided index `idx` is a valid positive index that can retrieve an element from `in_list`. Returns False if `idx` is negative or exceeds the size of…
- def normal (L): '' '(list of int) -> list Precondition: len (L)> = 1 This function must return a new list R which has the same contents of L except where there is a sequence of consecutive zeros, the list R must have only one zero such that in the examples: >>> normal ([1,2,0,0,0,3,0]) [1, 2, 0, 3, 0] >>> normal ([1,2,0,0,0,3,0,0,0,0]) [1, 2, 0, 3, 0] >>> normal ([0,0,1,0,2,0,0,0,3,0,0,0,0,0]) [0, 1, 0, 2, 0, 3, 0] >>> normal ([1,2,2,0,3,3,3,0]) [1, 2, 2, 0, 3, 3, 3, 0] '' ' [1, 2, 0, 3, 0] >>> tanganyika([1,2,0,0,0,3,0,0,0,0]) [1, 2, 0, 3, 0] >>> tanganyika([0,0,1,0,2,0,0,0,3,0,0,0,0]) [0, 1, 0, 2, 0, 3, 0] >>> tanganyika([1,2,2,0,3,3,3,0]) [1, 2, 2, 0, 3, 3, 3, 0] ''' Please: Do not use dictionaries.- Do not use sets- Do not use 'break'.- You cannot import a library or other module1. Lists, comprehensions, loops and slicing. Save it as threeLists.py. a) Create a list comprehension of multiples of 4 from 0 to 10 inclusive. b) Print this list as displayed in the output example.c) Create a second empty list.d) Use a loop to insert all elements from the first list to the second list. Before storing into the new list, divide each copied element by 2. This results in a new list of all multiples of 2 from 0 to 10 inclusive. e) Print the second list as displayed in the output example.f) Use slicing to copy the second list to a new third list.g) Use a loop to divide and store each element of the third list by 2. This will result in a list of the numbers 0 to 10 inclusive. h) Print the third list as displayed in the output example.Question: struct node { char *name; int marks; node *next; }; By using the above declaration for the Linked List, write a program in C++ to display the summary report regarding the pass/fail ratio of the subject Data Structure for the class BSI-3 that have only 15 students. The required Report Summary for the exam will be like wise: The No. of A grades........??? The No. of B grades........??? And so on by applying the grading criteria of COMSATS-University Islamabad. Question: struct node { char *name; int marks; node *next; }; By using the above declaration for the Linked List, write a program in C++ to display the summary report regarding the pass/fail ratio of the subject Data Structure for the class BSI-3 that have only 15 students. The required Report Summary for the exam will be like wise: The No. of A grades........??? The No. of B grades........??? And so on by applying the grading criteria of COMSATS-University Islamabad.
- 6.34 LAB: Contact list C++ A contact list is a place where you can store a specific contact with other associated information such as a phone number, email address, birthday, etc. Write a program that first takes as input an integer N that represents the number of word pairs in the list to follow. Word pairs consist of a name and a phone number (both strings). That list is followed by a name, and your program should output the phone number associated with that name. Ex: If the input is: 3 Joe 123-5432 Linda 983-4123 Frank 867-5309 Frank the output is: 867-5309 Your program must define and call the following function. The return value of GetPhoneNumber is the phone number associated with the specific contact name.string GetPhoneNumber(vector<string> nameVec, vector<string> phoneNumberVec, string contactName) Hint: Use two vectors: One for the string names, and the other for the string phone numbers.Exercise 1 Create a list l1 of intergers from -10 to 10 Use list comprehension to create another list l2, consists square of the positive integers from l1complete the following function. // It is the same as observeCounter except that f has a parameter of type List[Counter] not Counter. // f will insist that the List[Counter] has length 3. // You must return a List[Int] not an Int. // The first element of the result List[Int] must correspond to the number of times that increment/decrement were called on the first element of type List[Counter], similarly for the second and third elements. def observeCounterList (f : List[Counter] => Unit) : List[Int] = { // TODO: Provide definition here. List (-1, -1, -1) }
- 5.16 LAB: Adjust list by normalizing In the language C When analyzing data sets, such as data for human heights or for human weights, a common step is to adjust the data. This can be done by normalizing to values between 0 and 1, or throwing away outliers. For this program, adjust the values by dividing all values by the largest value. The input begins with an integer indicating the number of floating-point values that follow. Assume that the list will always contain less than 20 floating-point values. For coding simplicity, follow every output value by a space, including the last one. And, output each floating-point value with two digits after the decimal point, which can be achieved as follows:printf("%0.2lf ", yourValue); Ex: If the input is: 5 30.0 50.0 10.0 100.0 65.0 the output is: 0.30 0.50 0.10 1.00 0.65 The 5 indicates that there are five floating-point values in the list, namely 30.0, 50.0, 10.0, 100.0, and 65.0. 100.0 is the largest value in the list, so each value is…(Merging Ordered Lists) Write a program that merges two ordered list objects of integers into a single ordered list object of integers. Function merge should receive references to each of the list objects to be merged and a reference to a list object into which the merged elements will be placed.Indexing in a list is accomplished by specifying a position number, in brackets, to access a particular element. True or false?