Write a C program that takes a command line argument of a number that you need to calculate the factorial value of. The program must use a recursive function to calculate the result and then print the result to standard output. The program must perform the following functionality:
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- Write a C program that takes a command line argument of a number that you need to calculate the factorialvalue of. The program must use a recursive function to calculate the result and then print the result tostandard output. The program must perform the following functionality:1. Create and save a new C program called factorial.c2. Correct type definition for recursive function. [1]3. Correct type definition for main function to process input arguments. [2]3This document may not be used or reproduced without permission from the University of Johannesburg4. Correct type definitions for variables. [1]5. Ensure command line arguments to read in the input number to calculate the factorial is used.[1]6. Test if the correct number of input arguments are entered when the program is called and print an errormessage if insufficient arguments are entered. [2]7. Convert the string to a number and test the entered number is not a negative number and print an errormessage if negative. [2]8.…Write a C program that takes a command line argument of a number that you need to calculate the factorialvalue of. The program must use a recursive function to calculate the result and then print the result tostandard output. The program must perform the following functionality:1. Create and save a new C program called factorial.c 2. Correct type definition for recursive function.3. Correct type definition for main function to process input arguments. 4. Correct type definitions for variables.5. Ensure command line arguments to read in the input number to calculate the factorial is used.6. Test if the correct number of input arguments are entered when the program is called and print an errormessage if insufficient arguments are entered. 7. Convert the string to a number and test the entered number is not a negative number and print an errormessage if negative. 8. Convert the entered argument to the correct data type format and call a recursive function called torecursively calculate…C++ Programming: Write a recursive function, sumDigits, that takes an integer as a parameter and returns the sum of the digits of the integer. Also, write a program to test your function. Your program should prompt the user for an integer and output the results to the console.
- In C++, If you had the double-pointer above and also had these variables: type x, * q; And had executed these statements: q = &x; p = &q; How would a function given p by value be able to change the contents of x?Design and write a C program that performs the following functionality:1. Prompt the user to enter a vector of maximum 10 digits. Note: the vector entered cancontain spaces.2. Read and store the vector that can contain spaces.3. Use a recursive function to transpose the vector from a row vector to a column vector.4. For example, if the user is prompted and enters the following in the command line(italicized and in red):Enter a vector of maximum 10 digits between 0 and 9: 1 2 3 4 55. Write a recursive function that will produce the following output (in blue):123456. Write and compile your codeWrite a complete C++ program that asks the user to input information for at least 10 students. Use structure for the information below: Name of the student, Matric No, Course No, Obtained Marks The program should then display the information based upon marks in ascending and descending order. To solve ascending and descending order the program should have two functions that have an array of structure as a parameter and the functions should be called from the main function.
- C++ Write a program that uses a recursive function to convert a number in decimal to base 8 or base 16. Your program should prompt the user for an integer and then for either 8 for base 8 conversion or 16 for base 16 conversion and output the conversion to the console.Write a recursive C++ function, sumdigits, which will accept a positive integer and calculate and return the sum of the digits in the number. For example, if 123456 is passed to this function, it would return 1+2+3+4+5+6 = 21. Requirements and Comments: The sumdigits function must not contain any cout or cin statements. • The sumdigits function must be recursive. You do not need to write a complete program.Design and write a C program that performs the following functionality:1. Prompt the user to enter a string of maximum 100 characters. Note: the string can containspaces.2. Read and store the string that can contain spaces.3. Use a recursive function to display the characters in reverse and in four columns on theconsole.4. For example, if the user is prompted and enters the following in the command line(italicized and in red):Enter a string of maximum 100 characters including spaces: this is a test5. Write a recursive function that will produce the following output (in blue):ttttsssseeeettttaaaassssiiiissssiiiihhhhtttt6. Write and compile your code7. Copy the code from IDE into Notepad to remove formatting and then copy and paste fromNotepad into the Word document.
- Write a C++ program that stores data of students in a struct. It should store student's ID, QuizMarks (5 Quizzes), and QuizAverage. Write an Input () function that takes Students' ID and QuizMarks from the user on the command line. Write another function Average () that calculates QuizAverage from QuizMarks. The value of QuizMarks should be passed by reference using pointers. Write a Display function that displays the data of the student specified using his ID.Which of the following is necessary for recursion to take place via subprogram calls? stack dynamic local variables type checking returning values from a function static local variablesDesign and write a C program that performs the following functionality:1. Prompt the user for a number and a character. Store these values.2. Use a recursive function to display the character on a newline in a diagonal pattern as shownin the example below.3. For example, if the user is prompted and enters the following in the command line(italicized and in red):Enter a number and a character: 10 *4. Write a recursive function that will produce the following output (in blue):*******************************************************5. Write and compile your code