Compute: z =√x-y Ex: If the input is 4.0 3.0, then the output is: 1.0 #include > #include < #include using namespace std; int main() { double x; double y; double z; } cin >> X; cin >> y; /* Your code goes here */ cout << fixed <

Compute: z =√x-y Ex: If the input is 4.0 3.0, then the output is: 1.0 #include > #include < #include using namespace std; int main() { double x; double y; double z; } cin >> X; cin >> y; /* Your code goes here */ cout << fixed <

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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#include <bits/stdc++.h>using namespace std;int main() { double matrix[4][3]={{2.5,3.2,6.0},{5.5, 7.5, 12.6},{11.25, 16.85, 13.45},{8.75, 35.65, 19.45}}; cout<<"Input no in first row of matrix"<<endl; for(int i=0;i<3;i++){ double t; cin>>t; matrix[0][i]=t; } cout<<"Contents of the last column in matrix"<<endl; for(int i=0;i<4;i++){ cout<<matrix[i][2]<<" "; } cout<<"Content of first row and last column element in matrix is: "<<matrix[0][3]<<endl; matrix[3][2]=13.6; cout<<"Updated matrix is :"<<endl; for(int i=0;i<4;i++){ for(int j=0;j<3;j++){ cout<<matrix[i][j]<<" "; }cout<<endl; } return 0;} Please explain this code
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#include <iostream> #include <cmath> using namespace std; // declare functions void display_menu(); void convert_temp(); double to_celsius(double fahrenheit); double to_fahrenheit(double celsius); int main() { cout << "Convert Temperatures\n\n"; display_menu(); char again = 'y'; while (again == 'y') { convert_temp(); cout << "Convert another temperature? (y/n): "; cin >> again; cout << endl; } cout << "Bye!\n"; } // define functions void display_menu() { cout << "MENU\n" << "1. Fahrenheit to Celsius\n" << "2. Celsius to Fahrenheit\n\n"; } void convert_temp() { int option; cout << "Enter a menu option: "; cin >> option; double f = 0.0; double c = 0.0; switch (option) { case 1: cout << "Enter degrees Fahrenheit: "; cin >> f; c =…
#include <iostream> using namespace std; int rectArea (int len, int wid) { return len * wid; } int main () { int length, width; cin >> length >> width; cout << "The area of a " << length << " by " << width << " rectangle is " << /*add code to call the reacArea function */ << "." << endl; return 0; }
//I need help debugging the C code below the image is what I was following for directions while doing the code// #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…
Identify the maximum number of errors in the code and rewrite the code. #include using namespace std; void main() { int a, b, c; cout >> "enter three sides of a triangle" >> endl; cin > "Area of Triangle ">> s(s - a)(s - b)(s - c)>endl; system("pause");
Finish the following code: void Divide (int dividend, int divisor, bool& error, float& result) // Set error to indicate if divisor is zero. // If no error, set result to dividend / divisor. { using namespace std; // For debugging cout << "Function Divide entered." << endl; cout << "Dividend = " << dividend << endl; cout << "Divisor = " << divisor << endl; //** // Rest of code goes here. //** // For debugging if (error) cout << "Error = true "; else cout << "Error = false "; cout << "and Result = " << result << endl; cout << "Function Divide terminated." << endl; }
#include<bits/stdc++.h>using namespace std;bool isPalindrome(string &s){ int start=0; int end=s.length()-1; while(start<=end) { if(s[start]!=s[end]) { return false; } start++; end--; } return true;}int main(){ string s; cout<<"ENTER STRING:"; getline(cin,s); int n=s.length(); bool flag=true; for(int i=1;i<n;i++) { string lowerHalf=s.substr(0,i); string upperHalf=s.substr(i,n-i); if(isPalindrome(lowerHalf) && isPalindrome(upperHalf)) { flag=false; cout<<"String A is:"<<lowerHalf<<"\n"; cout<<"String B is:"<<upperHalf<<"\n"; break; } } if(flag) { cout<<"NO\n"; } return 0;} change to stdio.h string.h
Create a flowchart for this program in c++, #include <iostream>#include <vector> // for vectors#include <algorithm>#include <cmath> // math for function like pow ,sin, log#include <numeric>using std::vector;using namespace std;int main(){ vector <float> x, y;//vector x for x and y for y float x_tmp = -2.5; // initial value of x float my_function(float x); while (x_tmp <= 2.5) // the last value of x { x.push_back(x_tmp); y.push_back(my_function(x_tmp)); // calculate function's value for given x x_tmp += 1;// add step } cout << "my name's khaled , my variant is 21 ," << " my function is y = 0.05 * x^3 + 6sin(3x) + 4 " << endl; cout << "x\t"; for (auto x_tmp1 : x) cout << '\t' << x_tmp1;//printing x values with tops cout << endl; cout << "y\t"; for (auto y_tmp1 : y) cout << '\t' << y_tmp1;//printing y values with tops…
1. Simplify the following logic equation: F = ab'c + abcd' + ab'cd' + acd Also draw the circuit before and after simplifications, and comment on savings on number of gates. % savings (number of gates required before modification – number of gates required with simplest form)* 100/(number of gates required after modification)
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…