Chapter 6, Problem 31PS

Need help in visualizing with an example for the following statement

I have an assignment that needs to be turn in before monday, here's the question:   Two people play the game of Count 21 by taking turns entering a 1, 2, or 3, which is added to a running total. The player who adds the value that makes the total reach or exceed 21 loses the game. Create a game of Count 21 in which a player competes against the computer, and program a strategy that always allows the computer to win. On any turn, if the player enters a value other than 1, 2, or 3, force the player to reenter the value. Save the game as Count21.java. Here's the code that I'm working on:   import java.util.Scanner;public class Count21 {public static void main(String[] args) {// Scanner object to get user inputScanner scanner = new Scanner(System.in);// Stores the running total. //Displays a welcome for the user public void promptEnterKey(){System.out.println("Welcome to Count21! \n");System.out.println("Press \"ENTER\" to continue...");Scanner scanner = new…

Is it really necessary to provide data into a function using a formal parameter when you could just use a symbolic constant? Explain.

According to the assignment rule, what should be the precondition in the following program segment?{precondition}x = x − 2{x = y}

Do you have a working knowledge of the concepts "static" and "function"?

I am having issues with C++ because this code does not work: int main() {int userNum; userNum = 5;cout << "Foretelling is hard." << endl;cout << "Particularly of the future." << endl;cout << "User num is:" << userNum << endl;/* Your solution goes here */ return 0; Please tell me what to do with this line of code.

Complete the following questions about different types of variables:i. Check the last digit of your id number(123456789). If it is even or 0, fill the gap in (A)with the word global (i.e., static global), otherwise, fill it with local (i.e., static local).Then, complete Table I. ii. In a multi-source program, there is a fileA.c that contains variables and functions,and a fileB.c that contains the main function, as well as usage of some of theresources found in fileA.c.   Explain:a) fileA.c has a global variable called my_variable, that should only beaccessed within the file. I.e., no other files should be able to access thatvariable.How should my_variable be declared inside of the file, in order to guaranteethis functionality? b) fileA.c also has a global variable called my_shared_variable, which canand should be accessible from other files, including fileB.c.How should my_shared_variable be declared in order to allow thisfunctionality?Note for item ii): You also need to state in a…

Write a program with two functions and a main(), each having at least two parameters. The functions need to at least be able to pass information between each other. Each function must return values as well. Write your code, test your code, and draw illustrations to show how information passes between the functions.

Can I please have the answer in C++ language 4.7: Time Machine Your time machine is capable of going forward in time up to 24 hours. The machine is configured to jump ahead in minutes. To enter the proper number of minutes into your machine, you would like a program that can take a start time (in hours, minutes, and a Boolean indicating AM or PM) and a future time (in hours, minutes, and a Boolean indicating AM or PM) and calculate the difference in minutes between the start and future time. A time is specified in your program with three variables: int hours, minutes; bool isAM; // You can also use a char, i.e. A or P for example, to represent 11:50 PM, you would store: hours = 11,minutes = 50, isAM = false or if using a char, hours = 11,minutes = 50, isAM = 'A' This means that you need six variables to store a start and future time. Write a program that allows the user to enter a start time and a future time. Include a function named computeDifference that takes the six variables as…