C++: Write a program that determines whether the user entered an item number in the required format: three digits, a hyphen, two digits, a hyphen followed by 4 alphanumerics. Display an appropriate message indicating whether the format is correct or incorrect. Use a sentinel value of -1 to end the program.  You must use at least two functions in the solution of this exercise.

Student Number, Grade 101029383,90 192736611,10 109800384,0 292833315,80 Complete the function below. If a line is long, you may write it in multiple lines at one blank, but please only write a single statement. def write_final_grades (assignment_grades: Dict, resubmit_grades: Dict, fname: str) -> None: """Write final marks to a final grade file named fname. assignment_grades maps student numbers to grades for the original assignment submission. resubmit_grades maps student numbers to grades for the resubmission of the same assignment. The resubmit penalty of 20% has not been applied within resubmit_grades. The higher mark, after resubmit penalties are applied, is the final mark for a student. Assume that the same student IDs are in both dictionaries. Assuming "grades.txt" is the original grade file shown (on the previous page) and "resubmit.txt" is the file above this function header: >>> original = make_dictionary ("grades.txt") >>> resubmit = make_dictionary ("resubmit.txt") >>>…

Q1: Write a C++ program to calculate the diagonal of a rectangle. Users are required to enter the length and width of the rectangle. If you enter negative values for length and width, you will receive a display message indicating incorrect input. Afterward, after verifying the validity of these variables, the rectangle's diagonal is calculated and displayed. Recall that d = vw² + 1².

Houl 4O Part E Question 1 Part E Question 2 Part E Question 3 Part E Question 4 Part E Question 5 Part F Question 6 Question 6 Write a program to calculate the perimeter of a square, a rectangle and the circumference of a circle. Ask user to key in the required details depending on their selected shape. The program will keep asking user for input unless the user enters 0 to exit. The following functions have to be used in the program: i. double square (double s); - this function will return perimeter of square ii. double rectangle (double 1, double w) ; - this function will return perimeter of rectangle iii. double circle (double r): - this function will return circumference of circle The following formulas are to be used to calculate the perimeter of a square, a triangle and the circumference of a circle: Perimeter of a square = 4s where s is the side of the square. Perimeter of a rectange = a +b +cwhere a, b and c are the sides of the rectangle. Circumference of a circle = 2 mr where…

is an operator which can be used for checking if two values are the same.

c++ program create a program that wil ask the user to accept a value of hours and minutes. after accepting, display the equivalent value in seconds.

In C++

If..elif

C++ Program

C++ Code only please.