Declaración del problema: escriba un programa controlado por menús utilizando el caso Switch para calcular lo siguiente:
- Suma de dos números
- Diferencia entre dos números
- Producto de dos números
- División de dos números
- HCF de dos números
- MCM de dos números
Input: num1 = 5, num2 = 7, choice = 1 Output: Sum is 12 Input: num1 = 5, num2 = 7, choice = 5 Output: GCD is 1
Implementación:
CPP
// C++ program to illustrate // Menu-Driven program using Switch-case #include <bits/stdc++.h> using namespace std; // Function to display the menu void menu() { cout << "Press 1 to calculate Sum of Numbers\n"; cout << "Press 2 to calculate Difference of Numbers\n"; cout << "Press 3 to calculate Product of numbers\n"; cout << "Press 4 to calculate Division of numbers\n"; cout << "Press 5 to calculate HCF of numbers\n"; cout << "Press 6 to calculate LCM of numbers\n"; cout << "Press 7 to exit\n"; } // Function to calculate and display the result void result(int choice, int a, int b) { // Display the result switch (choice) { case 1: { cout << "Sum is " << (a + b) << "\n"; break; } case 2: { cout << "Difference is " << (a - b) << "\n"; break; } case 3: { cout << "Product is " << (a * b) << "\n"; break; } case 4: { cout << "Division is " << (a / b) << "\n"; break; } case 5: { cout << "GCD is " << __gcd(a, b) << "\n"; break; } case 6: { cout << "LCM is " << ((a * b) / __gcd(a, b)) << "\n"; break; } case 7: { cout << "Thank you\n"; break; } default: printf("Wrong Input\n"); } } int main() { // Get the two numbers int a = 5, b = 7; int choice, res; // Display the menu menu(); // Enter the choice cout << "Enter your choice:\n"; choice = 1; cout << "Choice is " << choice << endl; // Display the result // according to the choice result(choice, a, b); return 0; }
Producción:
Press 1 to calculate Sum of Numbers Press 2 to calculate Difference of Numbers Press 3 to calculate Product of numbers Press 4 to calculate Division of numbers Press 5 to calculate HCF of numbers Press 6 to calculate LCM of numbers Press 7 to exit Enter your choice: Choice is 1 Sum is 12
Complejidad temporal: O(n).
Espacio Auxiliar: O(1)