2 In some situations a typedef cannot be replaced by a #define. Consider the fol-lowing program:typedef floatint main(void){DOLLARS{}return 0;DOLLARS;amount = 100.00,interest = 0.07 amount;floatDOLLARS;DOLLARS = amount + interest;printf("DOLLARS = %.2f\n", DOLLARS);DOLLARS}Execute this program so that you understand its effects. If the typedef is replacedby the line#define/* new block */float

A typedef is a keyword in the C and C++ programming languages that allows you to create an alias, or…

2 In some situations a typedef cannot be replaced by a #define. Consider the fol- lowing program: typedef float int main(void) DOLLARS { } return 0; DOLLARS; amount - 100.00, interest = 0.07 float DOLLARS; DOLLARS = amount + interest; printf("DOLLARS = %.2f\n", DOLLARS); DOLLARS amount; } Execute this program so that you understand its effects. If the typedef is replaced by the line #define float /* new block */

2 In some situations a typedef cannot be replaced by a #define. Consider the fol- lowing program: typedef float int main(void) DOLLARS { } return 0; DOLLARS; amount - 100.00, interest = 0.07 float DOLLARS; DOLLARS = amount + interest; printf("DOLLARS = %.2f\n", DOLLARS); DOLLARS amount; } Execute this program so that you understand its effects. If the typedef is replaced by the line #define float /* new block */

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question #3: Write a C program that repeatedly asks the user to enter real numbers from the keyboard then it calculates and prints the average of the entered numbers. The program continuously asks the user till the user responds by 'N'. #include int main(void) { //Declare required variables //code for reading real numbers continuously till the user responds by 'N' //code for calculating the average of the entered numbers and printing it printf("\n"); printf("\n"); return 0; } Question3.c Output Screenshot
Compound assignment statements must be defined.
Question #3: Write a C program that repeatedly asks the user to enter real numbers from the keyboard then it calculates and prints the average of the entered numbers. The program continuously asks the user till the user responds by 'N'. #include int main(void) { //Declare required variables //code for reading real numbers continuously till the user responds by 'N' //code for calculating the average of the entered numbers and printing it printf("\n"); printf("\n"); return 0; } Question3.c Output Screenshot
Code in C please: You have returned from a grocery store and you hold a receipt with the products purchased. You decide to enter the products into a program you have created that prints the items purchased, their price, and the total cost of all goods (i.e., products) purchased. Define a struct as shown in the figure below. Ask user to enter the size of the struct (this is a dynamically allocated struct) based on the number of products purchased. Enter the name of each one of the products along with their price. Compute the total cost of all goods and print the items purchased, their price, and the total cost The Figure: Note 1: Use only the arrow (->) operator to assign to as well as to retrieve values from structure Note 2: You may have to use getchar() to remove the newline character
1 using System; 2 using System.Text; 3 class Program { staticvoid Main(string[] args) { int choice,games_choice; Console.WriteLine("You are on a quest for a rare flavor of chips you saw on an ad. The inside of the bag has an invaluable prize that could change your life forever. You decide to dedicate today to find that bag of chips. Do you go to Walmart or Costco first?"); Console.Write("Press 1 for 'Walmart' or Press 2 for 'Costco'\n"); choice = int.Parse(Console.ReadLine()); if(choice==1) { Console.WriteLine("You begin your meticulous search in the isles of the Walmart Supercenter only to find an empty display of the newly released rare flavor of chips. Out of the corner of your eye you see a nearby shopper with three bags of those rare chips in her basket casually strolling along. Craziness pops in your head and you have to make a quick decision. Your first option is to ask her nicely for one of the bags but that just seems far fetched. Your second option is to challenge her to a…
This assignment is not graded, I just need to understand how to do it. Please help, thank you! Language: C++ Given: Main.cpp #include #include "Shape.h" using namespace std; void main() { /////// Untouchable Block #1 ////////// Shape* shape; /////// End of Untouchable Block #1 ////////// /////// Untouchable Block #2 ////////// if (shape == nullptr) { cout << "What shape is this?! Good bye!"; return; } cout << "The perimeter of your " << shape->getShapeName() << ": " << shape->getPerimeter() << endl; cout << "The area of your " << shape->getShapeName() << ": " << shape->getArea() << endl; /////// End of Untouchable Block #2 //////////} Shape.cpp string Shape::getShapeName() { switch (mShapeType) { case ShapeType::CIRCLE: return "circle"; case ShapeType::SQUARE: return "square"; case ShapeType::RECTANGLE: return "rectangle"; case…
Problem Statement: A painting company has determined that for every 115 square feet of wall space, one gallon of paint and eight hours of labor will be required. The company charges $20.00 per hour for labor. Develop a Java program that performs the following: Input Requirements: Set up the data for the following as named constants for one gallon of paint: 115 square feet of wall space eight hours of labor Also, set up a named constant for the following: $20.00 per hour for labor Enter the following input data at the keyboard: The square feet of wall space to be painted The price of the paint per gallon Processing: Your program is to perform the following calculations: The number of gallons of paint required The hours of labor required The cost of the paint The labor charges The total cost of the paint job Output Requirements: The square feet of wall space to be painted The price of the paint per gallon The number of gallons of paint required The hours of labor…
A constructor can specify the return type Select one: a. A constructor cannot specify a return type b. char c. double d. int c++
In C++
Compound assignment statements should be defined.
#include<stdio.h>#include<stdlib.h> int cent50=0;int cent20=0;int cent10=0;int cent05=0; void calculatechange(int* change){if(*change>0){if(*change>=50){*change-=50;cent50++;}else if(*change>=20){*change-=20;cent20++;}else if(*change>=10){*change-=10;cent10++;}else if(*change>=05){*change-=05;cent05++;}calculatechange(change);}}void printchange(){if(cent50)printf("\n50cents:%d coins",cent50);if(cent20)printf("\n20cents:%d coins",cent20);if(cent10)printf("\n10cents:%d coins",cent10);if(cent05)printf("\n05cents:%d coins",cent05);cent50=0;cent20=0;cent10=0;cent05=0;}void takechange(int* change){scanf("%d",change);getchar();}int main(){int change=0;int firstinput=0;while(1){if(!firstinput){printf("\nEnter the amount:");firstinput++;}else{printf("\n\nEnter the amount to continue or Enter -1 to…