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- You can dereference a smart pointer with the * operator. True FalseRecursion Tree How many levels in this recursion tree T(n) = 2T(n/3) + n? Use log2n for log2n. What is the cost of the first level of this recursion tree T(n) = 2T(n/3) + n? What is the cost of the second level of this recursion tree T(n) = 2T(n/3) + n? Use 3n/4 for 3n divided by 4. What is the cost of the third level of this recursion tree T(n) = 2T(n/3) + n? Use 3n/4 for 3n divided by 4.in c++ Write a function named createTwoNames that will do the following: - Read in a word and its definition - Create the Word object for that word and definition - Read in an item’s name and its price - Create the Item object for that item - It will return an array of two pointers pointing to these newly created Word and Item objects. It will use try-catch statement to handle the exception. If the user enters an empty or all-blank word or definition or item’s name, it will not create the object(s) and return null for that object only. In another words, it may create 0, 1 or 2 objects. Whenever the error occurs, it must print out the correct error reason: empty or blank (but not both). Note that this function can and will use cin and cout to read in values from the user.
- Shared pointers keep a count of all of the shared pointers that appear in the program code. True FalseC++ Struct Pointers Help: I have a file called names.txt. Write a program that reads each line and then store the name and nickname under an individual pointer to the class Person. names.txt: Norman, Normie Justine, Jussy Richard, Dick Shelley, Shell class Person { public: string name; string nickname; Person(string name, nickname) { this->name=name; this->nickname = nickname; } }; Print out each pointer's name and nickname to verify that it has been stored.pointers as Arguments:In the C programming language there is no pass-by-reference syntax to passa variable by reference to a function. Instead a variable is passed by pointer(just to be confusing, sometimes passing by pointer is referred to as pass byreference). This Practice Program asks you to do the same thing as C.Here is the header for a function that takes as input a pointer to an integer:1. void addOne (int ∗ptrNum )Complete the function so it adds one to the integer referenced by ptrNum.Write a main function where an integer variable is defined, give it an initialvalue, call addOne, and output the variable. It should be incremented by 1.
- In C++Using the code provided belowDo the Following: Modify the Insert Tool Function to ask the user if they want to expand the tool holder to accommodate additional tools Add the code to the insert tool function to increase the capacity of the toolbox (Dynamic Array) USE THE FOLLOWING CODE and MODIFY IT: #define _SECURE_SCL_DEPRECATE 0 #include <iostream> #include <string> #include <cstdlib> using namespace std; class GChar { public: static const int DEFAULT_CAPACITY = 5; //constructor GChar(string name = "john", int capacity = DEFAULT_CAPACITY); //copy constructor GChar(const GChar& source); //Overload Assignment GChar& operator=(const GChar& source); //Destructor ~GChar(); //Insert a New Tool void insert(const std::string& toolName); private: //data members string name; int capacity; int used; string* toolHolder; }; //constructor GChar::GChar(string n, int cap) { name = n; capacity = cap; used = 0; toolHolder = new…C++ Programming Requirments: Please submit just one file for the classes and main to test the classes. Just create the classes before main and submit only one cpp file. Do not create separate header files. Please note: the deleteNode needs to initialize the *nodePtr and the *previousNode. The code to do this can be copied from here:ListNode *nodePtr, *previousNode = nullptr; Part 1: Your own Linked ListDesign your own linked list class to hold a series of integers. The class should have member functions for appending, inserting, and deleting nodes. Don't forget to add a destructor that destroys the list. Demonstrate the class with a driver program.Part 2: List PrintModify the linked list class you created in part 1 to add a print member function. The function should display all the values in the linked list. Test the class by starting with an empty list, adding some elements, and then printing the resulting list out.Bank ProgramThis c++ assignment uses the same account class created in Lab #4 with a more generally useful interface. It reads commands from a bank.txt file. Your program must process the following four commands.Create account amountDeposit account amountWithdraw account amountBalance accountIn all of the above commands, account is an integer and amount is a double.The following program behavior is required –1. Valid account numbers are 1-9. This requires the program to have an array of references to Account objects.2. If the first word on any line contains a command other than the four listed above, an error message should be displayed and that line ignored.3. The create command creates a new account object with the given account number and initial balance. If an account already exists with that number an error message should be displayed and the command ignored.4. The Deposit and Withdraw commands perform the indicated operation on an existing account. If no account with that number…
- C+ Strings This laboratory work covers the following concepts in C++ programming language: the string class > Create a Win32 Console application and an empty C++ source file in Visual Studio IDE to be able to start typing programs. Task-1: Write a C++ program to facilitate the usage of several string-handling functions. The program shoukd present a menu for the choices available. The options might be to create, insert, append, erase, reverse, and print. The program should ask the user what required by the function to prepare the real function call. For instance, for the insert function, the string might be printed on the screen as a reminder first, and then the start and finish indexes might be requested from the user. You should be aware of the run-time issues that might result due to user mistakes. Try to prevent them!C++ Provide a different implementation of ChoiceQuestion. Instead of storing the choices in a vector, the add_choice function should add the choice to the question text. For this purpose, an add_line function has been added to the Question class. Complete the following file: choicequestion.cpp Use the following files: choicequestion.h #ifndef CHOICEQUESTION_H #define CHOICEQUESTION_H #include <string> using namespace std; #include "question.h" class ChoiceQuestion : public Question { public: /** Constructs a choice question with a given text and no choices. @param question_text the text of this question */ ChoiceQuestion(string question_text); /** Adds an answer choice to this question. @param choice the choice to add @param correct true if this is the correct choice, false otherwise */ void add_choice(string choice, bool correct); private: int num_choices; }; #endif question.h #ifndef QUESTION_H #define QUESTION_H #include <string> using namespace std; class Question {…In c++, please and thank you! Write a function that dynamically allocates an array of integers. The function should accept an integer argument indicating the number of elements to allocate. The function should return a pointer to the array.
