Area Calculator: Prompt the user to enter two choices 1 or 2. If user enters 1 then ask him for length of side of square and if user enters 2 then prompt for length and breadth of rectangle. In both case the output should be the area of square (case 1) or rectangle (case2). In C++
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Area Calculator:
Prompt the user to enter two choices 1 or 2. If user enters 1 then ask him for length of side of square and if user enters 2 then prompt for length and breadth of rectangle. In both case the output should be the area of square (case 1) or rectangle (case2).
In C++
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- A pair of primes that vary by two is a pair of twin primes (e.g., 3 and 5, 101 and 103). Write a C++ application that displays the total number of twin primes smaller than 1000.Computer Fundamentals and Programming 2 Write a program that determines a student’s grade. The program will accept 3 scores and computes the average score. Determine the grade based on the following rules: - If the average score is equal or greater than 90, the grade is A. - If the average score is greater than or equal to 70 and less than 90, the grade is B. - If the average score is greater than or equal to 50 and less than 70, the grade is C. - If the average score is less than 50, the grade is F. Source Codes and Print Screen of the Output-scripting language Write a program that randomly generates a lottery between 100 and 999 (random.randint(100, 999)), prompts the user to enter a number in the same range, and determines whether the user wins according to the following rule: (1) If the user input matches the lottery in exact order, print "the award is $10,000". E.g., lottery = 123, input = 123(2) If the user input matches the lottery, but in wrong order, print "the award is $6,000". E.g., lottery = 123, input = 321(3) If two digits in the user input matches a digit in the lottery, print "the award is $3,000". E.g., lottery = 123, input = 612(4) If one digit in the user input matches a digit in the lottery, print "the award is $1,000". E.g., lottery = 123, input = 289(5) If none of the digits is matched, print "thank you".
- 4. During each summer, John and Jessica grow vegetables in their backyard and buy seeds and fertilizer from a local nursery. The nursery carries different types of vegetable fertilizers in various bag sizes. When buying a particular fertilizer, they want to know the price of the fertilizer per pound and the cost of fertilizing per square foot. The following program prompts the user to enter the size of the fertilizer bag, in pounds, the cost of the bag, and the area, in square feet, that can be covered by the bag. The program should output the desired result. However, the program contains logic errors. Find and correct the logic errors so that the program works properly. // Logic errors. #include #include using namespace std; int main() { double costs double area; double bagsize; cout > bagsize; cout > cost; cout > area; cout << endl; cout << "The cost of the fertilizer per pound is: $" << bagsize / cost << endl; cout << "The cost of fertilizing per square foot is: $" << area / cost << endl; return 0; }(Data processing) Years that are evenly divisible by 400 or are evenly divisible by 4 but not by 100 are leap years. For example, because 1600 is evenly divisible by 400, 1600 was a leap year. Similarly, because 1988 is evenly divisible by 4 but not by 100, it was also a leap year. Using this information, write a C++ program that accepts the year as user input, determines whether the year is a leap year, and displays a message telling the user whether the entered year is or is not a leap year.(Physics) Coulomb’s Law states that the force, F, acting between two electrically charged spheres is given by this formula: F=kq1q2r2 q1isthechargeonthefirstsphere.q2isthechargeonthesecondsphere.risthedistancebetweenthecentersofthetwospheres.kisaproportionalityconstant. Write an assignment statement to calculate the force, F.
- C-Program for blood pressure. The program (screenshot below) compares the systolic & diastolic measurements to output whether the blood is (low, ideal, pre-high, or high) The code I wrote is able to successfully determine the blood pressure type as long as it lies within the same range. However, if it goes outside that range it prints an error. FOR EXAMPLE**** PLEASE READ*** If the user inputs their systolic variable as 100 and their systolic as 90, it will print an error. If the systolic & diastolic measurements are vastly different the program prints an error, if you could help resolve this issue it would be greatly appreciated.In order for the bulb to work, 3 buttons must be pressed and the button values must provide exactly the required energy, there should be no more or less. It is assumed that the buttons are pressed simultaneously, the order is not important. If the required energy is provided with the entered button values, the program should output "Bulb On", if not, "Bulb Does Not Light" output. Code the program in C language, following the rules below. 1. The number of buttons and their values will be taken from the user.2. The energy required for the bulb to work will be taken from the user.3. You have to design the program RECURSIVE.4. The triple button groups that provide the required energy do not have to be listed, it is sufficient to send a message to the screen(Apartment problem) A real estate office handles , say, 50 apartment units. When the rent is, say, $600 per month, all the units are occupied. However, for each, say $40 increase in rent, one unit becomes vacant. Moreover, each occupied unit requires an average of $27 per month for maintenance. How many units should be rented to maximize the profit? Write a program that prompts the user to enter: The total number of units. The rent to occupy all the units. The increase in rent that results in a vacant unit. Amount to maintain rented unit. The program then outputs the number of units to be rented to maximize the profit.
- C++ Programming Problem: To make telephone numbers easier to remember, some companies use letters to show their telephone number. For example, using letters, the telephone number 438-5626 can be shown as GET LOAN. In some cases, to make a telephone number meaningful, companies might use more than seven letters. For example, 255-5466 can be displayed as CALL HOME, which uses eight letters. Write a program that prompts the user to enter a telephone number expressed in letters and outputs the corresponding telephone number in digits. If the user enters more than seven letters, then process only the first seven letters. Also output the hyphen after the third digit. Allow the user to use both uppercase and lowercase letters as well as spaces between words. Moreover, your program should process as many telephone numbers as the user wants.In C++ (Find the number of days in a month) Write a program that prompts the user to enter the month and year and displays the number of days in the month. For example, if the user entered month 2 and year 2012, the program should display February 2012 has 29 days If the user entered month 3 and year 2015, the program should display March 2015 has 31 daysc++ programming if…else and switch case are types of conditional selection statements used in many programming languages such as C++. Write your own codes for question (a), (b) and (c) to demonstrate how the selection statement works. (a) Using if….else selection statement, allow user to key in a number then check whether the number is positive or negative number. (b) Using if….else...if selection statement, allow user to key in a mark for one subject and display the grade for the subject. A for >80, B for >60, C for >50, D for >40, F for <40 .. (c) Using nested if..else selection statement, ask user to key in their age. Then define whether the user should go to nursery, primary school, secondary school or university based on their input. (d) Using switch case selection statement, allow user to key in a mark for one subject and display the grade for the subject. A for >80, B for >60, C for >50, D for >40, F for <40 .
