آموزش جامع زبان برنامه‌نویسی C++ مقدماتی تا پیشرفته [0 تا 100 سی پلاس پلاس بهمراه حل تمرین و پروژه ✅] - پیاده‌سازی یک ماشین حساب ساده با دستور Switch - قسمت 35

				
					#include <iostream>
using namespace std;

int main() {
    float number1, number2, result;
    int choice;

    cout << "Enter two numbers: ";
    cin >> number1 >> number2;

    cout << "Choose an operation:\n";
    cout << "1. Add\n";
    cout << "2. Subtract\n";
    cout << "3. Multiply\n";
    cout << "4. Divide\n";
    cin >> choice;

    switch (choice) {
        case 1:
            result = number1 + number2;
            cout << "Result: " << result << endl;
            break;
        case 2:
            result = number1 - number2;
            cout << "Result: " << result << endl;
            break;
        case 3:
            result = number1 * number2;
            cout << "Result: " << result << endl;
            break;
        case 4:
            if (number2 != 0) {
                result = number1 / number2;
                cout << "Result: " << result << endl;
            } else {
                cout << "Error: Division by zero is not allowed." << endl;
            }
            break;
        default:
            cout << "Please enter a number between 1 and 4." << endl;
            break;
    }

    return 0;
}