// This is for my final exam :D // Help me improve it #include using namespace std; int main() { const double RateColour = 1.1; const double RateCustom = 1.15; const double Pi = 3.14; const int CustomSetup = 5; const int BatchSize = 20; const double PriceRate = 0.05; double Volume, Price, Depth; string Colour, Shape, Size; bool validate = false; bool validate2 = false; // Depth while (validate == false) { cout << "Enter Depth (38 or 45): "; cin >> Depth; if (Depth == 38 || Depth == 45) { validate = true; } else { cout << "Error in Depth! Enter Again!" << endl; } } validate = false; // Shape while (validate == false) { cout << "Enter Shape (Square, Rectangular or Round): "; cin >> Shape; // Square if (Shape == "Square") { while (validate2 == false) { cout << "Enter Size (600x600 or 450x450): "; cin >> Size; if (Size == "600x600") { Volume = Depth * 600 * 600; validate2 = true; validate = true; } else if (Size == "450x450") { Volume = Depth * 450 * 450; validate2 = true; validate = true; } else { cout << "Error in Size! Enter Again!" << endl; } } } // Rectangular else if (Shape == "Rectangular") { while (validate2 == false) { cout << "Enter Size (600x700 or 600x450): "; cin >> Size; if (Size == "600x700") { Volume = Depth * 600 * 700; validate2 = true; validate = true; } else if (Size == "600x450") { Volume = Depth * 600 * 450; validate2 = true; validate = true; } else { cout << "Error in Size! Enter Again!" << endl; } } } // Round else if (Shape == "Round") { while (validate2 == false) { cout << "Enter Size (Diameter) 300 or 450: "; cin >> Size; if (Size == "300") { Volume = Depth * Pi * (300 / 2) * (300 / 2); validate2 = true; validate = true; } else if (Size == "450") { Volume = Depth * Pi * (450 / 2) * (450 / 2); validate2 = true; validate = true; } else { cout << "Error in Size! Enter Again!" << endl; } } } else { cout << "Error in Shape! Please Enter Again!" << endl; } } validate = false; // Colour while (validate == false) { cout << "Please Enter Colour (Grey, Red, Green or Custom): "; cin >> Colour; Price = (Volume / 100000) * PriceRate * BatchSize; // Colour Red or Grren if (Colour == "Red" || Colour == "Green") { Price = RateColour * Price; validate = true; } // Custom Colour else if (Colour == "Custom") { Price = CustomSetup + (RateCustom * Price); validate = true; } // Colour Grey else if (Colour == "Grey") { validate = true; } else { cout << "Error in Colour! Enter Again!" << endl; } } int finalPrice = Price; // Outputs cout << endl << "You have selected slab: " << endl; cout << "Colour: " << Colour << endl; cout << "Shape: " << Shape << endl; cout << "Size/Diameter: " << Size << endl; cout << "Depth: " << Depth << endl; cout << "Price for 20 slabs: $" << finalPrice; return 0; }

My Final Exam - Task 1