Answered: 22. What will be the output of the…

22. What will be the output of the given code? #include using namespace std; int main() { } int a; int b = 1; int arr[5] = {1,2,3,4,5}; a = arr[b++]*5+ (9/b); cout<

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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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…
What will the following code display? #include using namespace std; void ResetZero(int); int main() { int x = 2; cout << x << endl; ResetZero(x); cout < x << endl; return 0; void ResetZero(int num) { num = 0; cout << num << endl; }
This is the C code I have so far #include <stdio.h> #include <stdlib.h> struct employees { char name[20]; int ssn[9]; int yearBorn, salary; }; // function to read the employee data from the user void readEmployee(struct employees *emp) { printf("Enter name: "); gets(emp->name); printf("Enter ssn: "); for (int i = 0; i < 9; i++) scanf("%d", &emp->ssn[i]); printf("Enter birth year: "); scanf("%d", &emp->yearBorn); printf("Enter salary: "); scanf("%d", &emp->salary); } // function to create a pointer of employee type struct employees *createEmployee() { // creating the pointer struct employees *emp = malloc(sizeof(struct employees)); // function to read the data readEmployee(emp); // returning the data return emp; } // function to print the employee data to console void display(struct employees *e) { printf("%s", e->name); printf(" %d%d%d-%d%d-%d%d%d%d",…
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#include<iostream> #include <cmath> using namespace std; int main() { float sp_Radius, sp_sa, sp_Volume; cout << "\nPlease Enter the radius of a Sphere = "; cin >> sp_Radius; sp_sa = 4 * M_PI * sp_Radius * sp_Radius; sp_Volume = (4.0/3) * M_PI * sp_Radius * sp_Radius * sp_Radius; cout << "\nThe Surface Area of a Sphere = " << sp_sa; cout << "\nThe Volume of a Sphere = " << sp_Volume; return 0; } C++ use this code and separate the program into three files. The main program containing the main function should be named main.cpp. The function definition file containing a function for the volume calculation and a function for the surface area calculation should be named SphereCalc.cpp. The function declaration file containing function declarations for the functions should be named SphereCalc.h. Make sure you include a Header Guard. Read the Radius from the Keyboard. If a negative number is provided, set the calculated value to zero.