A sphere is characterized by a single dimensions; its radius (r). The surface area of the sphere is calculated as A=4πr2 While the volume is calculated as V=43πr3 Write a program that asks the user for r and when VALID proceeds to calculate both the surface area and the volume of the sphere by calling a single function. The function's prototype is as follows: void sphereCalc(float, float *, float *); All console input and output operations are in main(). Print the area and volyme with 3 decimal places. Follow best programming practices. Use r = 3 for the screenshot. Hint: Define PI using #define PI 3.1415927

A sphere is characterized by a single dimensions; its radius (r). The surface area of the sphere is calculated as A=4πr2 While the volume is calculated as V=43πr3 Write a program that asks the user for r and when VALID proceeds to calculate both the surface area and the volume of the sphere by calling a single function. The function's prototype is as follows: void sphereCalc(float, float , float ); All console input and output operations are in main(). Print the area and volyme with 3 decimal places. Follow best programming practices. Use r = 3 for the screenshot. Hint: Define PI using #define PI 3.1415927

C++ Programming: From Problem Analysis to Program Design

8th Edition

ISBN:9781337102087

Author:D. S. Malik

Publisher:D. S. Malik

Chapter6: User-defined Functions

Section: Chapter Questions

Problem 19PE

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Mark the following statements as true or false: a. To use a predefined function in a program, you need to know only the name of the function and how to use it. (1) b. A value-returning function returns only one value. (2, 3) c. Parameters allow you to use different values each time the function is called. (2, 7, 9) d. When a return statement executes in a user-defined function, the function immediately exits. (3, 4) e. A value-returning function returns only integer values. (4) f. A variable name cannot be passed to a value parameter. (3, 6) g. If a C++ function does not use parameters, parentheses around the empty parameter list are still required. (2, 3, 6) h. In C + + , the names of the corresponding formal and actual parameters must be the same. (3, 4, 6) i. A function that changes the value of a reference parameter also changes the value of the actual parameter. (7) j. Whenever the value of a reference parameter changes, the value of the actual parameter changes. (7) k. In C++, function definitions can be nested; that is, the definition of one function can be enclosed in the body of another function. (9) l. Using global variables in a program is a better programming style than using local variables, because extra variables can be avoided. (10) m. In a program, global constants are as dangerous as global variables. (10) n. The memory for a static variable remains allocated between function calls. (11)
(Numerical) Write a program that tests the effectiveness of the rand() library function. Start by initializing 10 counters to 0, and then generate a large number of pseudorandom integers between 0 and 9. Each time a 0 occurs, increment the variable you have designated as the zero counter; when a 1 occurs, increment the counter variable that’s keeping count of the 1s that occur; and so on. Finally, display the number of 0s, 1s, 2s, and so on that occurred and the percentage of the time they occurred.
Modify the program so that it does the following: Performs a function that gets the area of a rectangle. The function must receive two parameters (decimal numbers) that represent the base and height of the rectangle and must return the calculated value (decimal number). Perform a second function that obtains the total area of a rectangular prism with a rectangular base. The total area of such a prism is equal to the sum of the areas of each of its faces. It uses calls to the previous function for this calculation. Call this last function in the main with user data. Execution example Give me the base: 21.3 Give me the height: 10 Give me the depth: 2.0 The total area of the prism is: 551.2
Write a function that gets the area of a rectangle. The function must receive two parameters (decimal numbers) that represent the base and height of the rectangle and must return the calculated area (decimal number). Write a second function that obtains the volume of a rectangular prism with a rectangular base. The volume of such a prism is equal to the area of the base times the height of the figure. It uses calls to the previous function for this calculation. Volume=base*height*depth Call this last function in the main with user data. Execution example Give me the base: 21.3 Give me the height: 10 Give me the depth: 2.0 The volume of the prism is: 426.0
Define a function hypotenuse that calculates the hypotenuse of a right triangle when the other two sides are given. The function should take two double arguments and return the hypotenuse as a double. You can use the sqrt function from the cmath library. Use this function in a program to determine the hypotenuse for each of the following triangles: Triangle Side 1 Side 2 1 3.0 4.0 2 5.0 12.0 3 8.0 15.0
The ceiling of a floating-point number x is the smallest integer that is still larger than or equal to x. Alternatively, the ceiling of a floating-point number x is what you get when you round x up to the nearest integer. For example, the ceiling of 2.1 is 3, the ceiling of 0.9 is 1, the ceiling of -4.5 is -4, etc. Write a function called ceiling() to compute the ceiling of a float input parameter that returns one integer value. You may not use python’s ceil() or floor() functions. Your function may use int()/float() functions, and the floor division operator (i.e., '//').
In coral language: One lap around a standard high-school running track is exactly 0.25 miles. Write a program that takes a number of miles as input, and outputs the number of laps. Ex: If the input is 1.5, the output is: 6.0 Ex: If the input is 2.2, the output is: 8.8 Your program should define and call a function: Function MilesToLaps(float userMiles) returns float userLaps
Python Help Write a function rectangle_area(length, width)Write a function rectangle_perimeter(length, width)Write a function circle_area(radius)Write a function circle_circumference(radius)Write a main function that asks the user to choose whether to find the area of a rectangle, the perimeter of a rectangle, the area of a circle or the circumference of a circle. If the user chooses to find the area of a circle use circle_area function, if the user chooses to find the area of a rectangle use rectangle_area function and so on.
1. Write a program in python that contains a main function and a custom, void function named show_larger that takes two random integers as parameters. This function should display which integer is larger and by how much. The difference must be expressed as a positive number if the random integers differ. If the random integers are the same, show_larger should handle that, too. See example outputs. In the main function, generate two random integers both in the range from 1 to 5 inclusive, and call show_larger with the integers as arguments.EXAMPLE OUTPUT 13 is larger than 1 by 2EXAMPLE OUTPUT 2The integers are equal, both are 3
Write the following function to draw a regular polygon:def drawPolygon(x = 0, y = 0, radius = 50, numberOfSides = 3):The polygon is centered at (x, y) with a specified radius for the bounding circle for the polygon and the number of sides. Write a test program that displays a triangle, square, pentagon, hexagon, heptagon, and octagon, as shown in Figure 6.12a.
Write a function using the following header:void printChars(char ch1, char ch2, int numberPerLine)This function prints the characters between ch1 and ch2 inclusive with the specified number of characters perline (numberPerLine). Assume ch1 and ch2 are both either uppercase or lowercase letters.Write a test program that reads two characters and the number of characters per line, uses printChars toprint the characters (pass the smaller one as the first character) with the required format. Characters areseparated by exactly one space.Enter first character: BEnter second character: HEnter number per line: 3The characters are:B C DE F GH
Write a function using the following header:void printChars(char ch1, char ch2, int numberPerLine)This function prints the characters between ch1 and ch2 inclusive with the specified number of characters perline (numberPerLine). Assume ch1 and ch2 are both either uppercase or lowercase letters.Write a test program that reads two characters and the number of characters per line, uses printChars toprint the characters (pass the smaller one as the first character) with the required format. Characters areseparated by exactly one space