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- (Statistics) a. Write a C++ program that reads a list of double-precision grades from the keyboard into an array named grade. The grades are to be counted as they’re read, and entry is to be terminated when a negative value has been entered. After all grades have been input, your program should find and display the sum and average of the grades. The grades should then be listed with an asterisk (*) placed in front of each grade that’s below the average. b. Extend the program written for Exercise 1a to display each grade and its letter equivalent, using the following scale: Between90and100=AGreaterthanorequalto80andlessthan90=BGreaterthanorequalto70andlessthan80=CGreaterthanorequalto60andlessthan70=DLessthan60=F(Electrical eng.) Write a program that declares three one-dimensional arrays named volts, current, and resistance. Each array should be declared in main() and be capable of holding 10 double-precision numbers. The numbers to store in current are 10.62, 14.89, 13.21, 16.55, 18.62, 9.47, 6.58, 18.32, 12.15, and 3.98. The numbers to store in resistance are 4, 8.5, 6, 7.35, 9, 15.3, 3, 5.4, 2.9, and 4.8. Your program should pass these three arrays to a function named calc_volts(), which should calculate elements in the volts array as the product of the corresponding elements in the current and resistance arrays (for example ,volts[1]=current[1]resistance[1]). After calc_volts() has passed values to the volts array, the values in the array should be displayed from inside main().2.2 A struct employeeType has been declared with two elements: name and salary.a. Declare an employeeType struct array for 100 employees in c++. b. Write a code snippet of the loop that will accept the details of the 100 employees.
- 2.2 A struct employeeType has been declared with two elements: name and salary.a. Declare an employeeType struct array for 100 employees. b. Write a code snippet of the loop that will accept the details of the 100 employees.Airplane Records Write a program to keep data and perform statistical analysis for a set of 4 passengers. The information of each passenger contains Name, NumberOfFlights, Sex and Boolean PriorityBoarding mark. Information for each passenger should be entered from the keyboard and stored in the array of structures. The program will find and print out the Sex of passengers who chose PriorityBoarding. Use 2 ways for access to elements of array of structure: using name of array and using pointers c++.Using the data type below, define an array of 12 structures of type Mon_days. Name the array convert[ ], and initialize the array with the names of the twelve months in a year and number of days in a month. The displayed output should include the names and number of days in each struct Mon_days { char name [15]; int days; };
- Airplane Records Write a program to keep data and perform statistical analysis for a set of 4 passengers. The information of each passenger contains Name, NumberOfFlights, Sex and Boolean Priority Boarding mark. Information for each passenger should be entered from the keyboard and stored in the array of structures. The program will find and print out the Sex of passengers who chose Priority Boarding. Use 2 ways for access to elements of array of structure: using name of array and using pointers c++.3."""Code _Write a function validSolution/ValidateSolution/valid_solution()that accepts a 2D array representing a Sudoku board, and returns trueif it is a valid solution, or false otherwise. The cells of the sudokuboard may also contain 0's, which will represent empty cells.Boards containing one or more zeroes are considered to be invalid solutions.The board is always 9 cells by 9 cells, and every cell only contains integersfrom 0 to 9. (More info at: http://en.wikipedia.org/wiki/Sudoku)""" # Using dict/hash-tablefrom collections import defaultdict def valid_solution_hashtable(board): for i in range(len(board)): dict_row = defaultdict(int) dict_col = defaultdict(int) for j in range(len(board[0])): value_row = board[i][j] value_col = board[j][i] if not value_row or value_col == 0: return False if value_row in dict_row: return False else: dict_row[value_row] += 1.11.7: Customer AccountsWrite a program that uses a structure to store the following data about a customer account: Customer name Customer address City State ZIP code Telephone Account balance Date of last payment The program should use an array of at least 20 structures. It should let the user enter data into the array, change the contents of any element, and display all the data stored in the array. The program should have a menu-driven user interface. Prompts And Output Labels. Your main menu should be the following: 1. Enter new account information 2. Change account information 3. Display all account information 4. Exit the programThe user is expected to enter 1 or 2 or 3 or 4.The main menu is displayed at the start of the program and after the handling of choices 1, 2 and 3.If 1 is entered for the main menu, the program prompts for each of the data listed above, in the order listed above, using the above data descriptions (e.g. "ZIP…
- 5. Write a function which will find the average of all elements of an array of integers. Pass an array and a dimension (the number of elements), and return the value of the average as a float ( the return value). Test this function in the main program with the array: 5, 7, 3, 5, 6, 4.4. Declare a variable as an array of 20 MyStruct objects.Code for this in C: You have already created an array named NUMBERS with 20cells. You are to initialize all of the cells with odd subscripts to 1 and all of the cells with even subscripts to 2.