C++ program to find roots of a quadratic equation

// Program to find the roots of a quadratic equation #include #include using namespace std; int main() { int a, b, c, d; double x1, x2; cout << "Program to find roots of quadratic eq" << endl; cout << "Enter values for ax^2 + bx + c..." << endl; cout << "Enter value for a: "; cin >> a; cout << "Enter value for b: "; cin >> b; cout << "Enter value for c: "; cin >> c; cout << endl; if (a==0) cout << "Not a quadratic equation." << endl; else { d = (b*b)-(4*a*c); if (d > 0) { cout << "Real and distinct roots" << endl; x1=(-b + sqrt(d))/(2*a); x2=(-b - sqrt(d))/(2*a); cout << "Root 1 = " << x1 << endl; cout << "Root 2 = " << x2 << endl; } else if (d == 0) { cout << "Real and equal roots." << endl; x1 = x2 = -b/(2*a); cout << "Root 1 = " << x1 << endl; cout << "Root 2 = " << x2 << endl; } else { cout << "Imaginary Roots." << endl; x1 = -b/(2*a); x2 = sqrt(-d)/(2*a); cout << "Root 1 = " << x1 << endl; cout << "Root 2 = " << x2 << endl; } } return 0; } // aiuto