Example#include // include io libraryusing namespace std;int main(){ // Begin main functionint cookieCost = 1; // cost of 1 cookieint numCookiesPurchased;double subtotal;cout << "Number of Cookies? "; // promptcin >> numCookiesPurchased; // read from keyboardsubtotal = numCookiesPurchased * cookieCost;cout << "Cookies: ";cout << numCookiesPurchased << " at $";cout << cookieCost << " each " << endl;cout << "Subtotal = $" << subtotal << endl;return 0; // end program} // End main functionUsing this above example:Create a tax rate variable if tax is: .05 (not 5%)What type should it be?What is a good name?• Read in the tax rateCalculate & print the taxPrint the total

Explanation-Create variables named tax_rate, tax and total for the code.Declare the variables as…

Answered: Example #include // include io library…

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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C++ This program does not compile! Spot the error and give the line number. Presume that the header file is error free and // Implementation file for the Rectangle class.1. #include "Rectangle.h" // Needed for the Rectangle class2. #include <iostream> // Needed for cout3. #include <cstdlib> // Needed for the exit function4. using namespace std; //***********************************************************// setWidth sets the value of the member variable width. *//*********************************************************** 5. void Rectangle::setWidth(double w){6. if (w >= 0)7. width = w;8. else{9. cout << "Invalid width\n";10. exit(EXIT_FAILURE);}} //***********************************************************// setLength sets the value of the member variable length. *//*********************************************************** 11. void Rectangle::setLength(double len){12. if (len >= 0)13. length = len;14. else{15. cout << "Invalid length\n";16.…
Computer Science Course: Reconfigurable Computing Content: Make an Experimental report on Implement a 2-D convolution using HLS C and Optimize the HLS with directives. Please include images of the task in the report.
#include<bits/stdc++.h>#include<math.h>using namespace std; class TotalResistance{double series_res,parallel_res,sp_res;public:TotalResistance(){series_res=parallel_res=sp_res=0;}void seriesResistance(double resistance[],int n);void parallelResistance(double resistance[],int n);void spResistance(double resistance[],int n);};void TotalResistance::seriesResistance(double resistance[],int n){for(int i=0;i<n;i++)series_res += resistance[i];cout<<"Total Resistance in series is: "<<series_res<<endl;}void TotalResistance::parallelResistance(double resistance[],int n){double temp=0;for(int i=0;i<n;i++)temp += (1/resistance[i]);parallel_res = 1/temp;cout<<"Total Resistance in parallel is: "<<parallel_res<<endl;}void TotalResistance::spResistance(double resistance[],int n){for(int i=0;i<n;i++)series_res += resistance[i];double temp=0;for(int i=0;i<n;i++)temp += (1/resistance[i]);parallel_res = 1/temp;cout<<"Total Resistance in…
#include <iostream>#include <iomanip>#include <cmath>using namespace std; #define PROPERTY_TAX_RATE_PER_YEAR 1.25#define COST_OF_UTILITIES_PER_MONTH 300.00#define COST_OF_INSURANCE_PER_YEAR 550.00 void inputData(double& sellingPrice, double& interestRate, int& durationOfLoan); void handleAllComputations(double sellingPrice,double interestRate,int durationOfLoan,double downPaymentRate,double& downPayment,double& amountOfLoan,double& mortgagePayment,double& propertyTax,double& costOfInsurance,double& totalMonthlyHouseCost); double calculateDownPayment(double sellingPrice, double downPaymentRate);double calculateAmountOfLoan(double sellingPrice, double downPayment);double calculateMortgagePayment(double amountOfLoan,double interestRate,int durationOfLoan); void outputResults(double sellingPrice,double downPayment,double amountOfLoan,double interestRate,int durationOfLoan,double mortgagePayment,double propertyTax,double…
here is a and b part plz solve c part #include <iostream>#include <string.h>#include <stdlib.h>#include <sstream>#include <cmath>using namespace std; int main(){ /*Variable declarations*/int higestDegree,higestDegree1;int diffDegree,smallDegree;std::stringstream polynomial,addpolynomial;/*prompt for degree*/std::cout<<"Please enter higest degree of polynomial"<<std::endl;std::cin>>higestDegree; std::cout<<"Please Enter highest degree of 2nd polynomial"<<std::endl;std::cin>>higestDegree1;int *cofficient=new int[higestDegree+1];//cofficient array creation for 1st polynomailint *cofficient1=new int[higestDegree1+1];//cofficient array creation for 2st polynomail /*taking cofficient for 1st polynomial*/std::cout<<"Please enter cofficient of each term from higest degree to lowest for 1st polynomial"<<std::endl;for(int i=0;i<=higestDegree;i++){std::cin>>cofficient[i];}/*taking cofficient for 2st…
#include<iostream>#include<math.h>using namespace std;class TotalResistance{double series_res,parallel_res,sp_res;public:TotalResistance(){series_res=parallel_res=sp_res=0;}void seriesResistance(double resistance[],int n);void parallelResistance(double resistance[],int n);void spResistance(double resistance[],int n);};void TotalResistance::seriesResistance(double resistance[],int n){for(int i=0;i<n;i++)series_res += resistance[i];cout<<"Total Resistance in series is: "<<series_res<<endl;}void TotalResistance::parallelResistance(double resistance[],int n){double temp=0;for(int i=0;i<n;i++)temp += (1/resistance[i]);parallel_res = 1/temp;cout<<"Total Resistance in parallel is: "<<parallel_res<<endl;}void TotalResistance::spResistance(double resistance[],int n){for(int i=0;i<n;i++)series_res += resistance[i];double temp=0;for(int i=0;i<n;i++)temp += (1/resistance[i]);parallel_res = 1/temp;cout<<"Total Resistance in series…
#include <iostream> #include <string> #include <cstdlib> using namespace std; template<class T> class A { public: T func(T a, T b){ return a/b; } }; int main(int argc, char const *argv[]) { A <float>a1; cout<<a1.func(3,2)<<endl; cout<<a1.func(3.0,2.0)<<endl; return 0; } Give output for this code.
C++ Given code #include <iostream>using namespace std; class Node {public:int data;Node *pNext;}; void displayNumberValues( Node *pHead){while( pHead != NULL) {cout << pHead->data << " ";pHead = pHead->pNext;}cout << endl;} //Option 1: Search the list// TODO: complete the function below to search for a given value in linked lsit// return true if value exists in the list, return false otherwise. ?? linkedlistSearch( ???){ } //Option 2: get sum of all values// TODO: complete the function below to return the sum of all elements in the linked list. ??? getSumOfAllNumbers( ???){ } int main(){int userInput;Node *pHead = NULL;Node *pTemp;cout<<"Enter list numbers separated by space, followed by -1: "; cin >> userInput;// Keep looping until end of input flag of -1 is givenwhile( userInput != -1) {// Store this number on the listpTemp = new Node;pTemp->data = userInput;pTemp->pNext = pHead;pHead = pTemp;cin >> userInput;}cout <<"…
C++ 6.34 #include <iostream>#include <cstdlib>#include <ctime>using namespace std; void guessGame(); // function prototypebool isCorrect( int, int ); // function prototype int main(){srand( time( 0 ) ); // seed random number generatorguessGame();} // end main // guessGame generates numbers between 1 and 1000 and checks user's guessvoid guessGame(){int answer; // randomly generated numberint guess; // user's guesschar response; // 'y' or 'n' response to continue game // loop until user types 'n' to quit gamedo {// generate random number between 1 and 1000// 1 is shift, 1000 is scaling factoranswer = 1 + rand() % 1000; // prompt for guesscout << "I have a number between 1 and 1000.\n" << "Can you guess my number?\n" << "Please type your first guess." << endl << "? ";cin >> guess; // loop until correct numberwhile ( !isCorrect( guess, answer ) ) cin >> guess; // prompt for another gamecout << "\nExcellent! You guessed the…
#include <iostream> #include <string> #include<iomanip> using namespace std; int main() { int monthlyUsage[12]; double consumption[12]; double discount[12]; double tax[12]; double bill[12]; string fullMonthName[12] = { "January","February","March","April","May","June","July","August","September","October","November","December" }; string month[12] = { "Jan","Feb","March","April","May","June","July","Aug","Sep","Oct","Nov","Dec"}; for (int i = 0; i < 12; i++) { cout << "please input monthly usage in kWh for " << fullMonthName[i] << ": " <<endl; cin >> monthlyUsage[i]; // Get user input and put it inside array monthlyUsage // TO DO CALCULATION FOR THE CONSUMPTION if (monthlyUsage[i] > 0 && monthlyUsage[i] < 101) { consumption[i] = (17.5/100) * monthlyUsage[i]; } else if (monthlyUsage[i] > 100 && monthlyUsage[i] < 201) { consumption[i] = 17.5 + ((monthlyUsage[i] - 100) * (18.5 / 100)); } else if (monthlyUsage[i]…
C++ PROGRAMMINGTopic: Binary Search Trees Explain the c++ code below.: SEE ATTACHED PHOTO FOR THE PROBLEM INSTRUCTIONS It doesn't have to be long, as long as you explain what the important parts of the code do. (The code is already implemented and correct, only the explanation needed) #include "node.h" #include <iostream> using namespace std; class BTree { node* root; int size; node* create_node(int num, node* parent) { node* n = (node*) malloc( sizeof(node) ); n->element = num; n->parent = parent; n->right = NULL; n->left = NULL; return n; } public: BTree() { root = NULL; size = 0; } node* left(node* p) { return p->left; } node* right(node* p) { return p->right; } node* sibling(node* p){ if(p != root){ node* P = p->parent; if(P->left != NULL && P->right != NULL){…
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