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- #include <iostream>
- #include <string>
- int add(int a, int b) {
- return a + b;
- }
- int subtract(int a, int b) {
- return a - b;
- }
- int multiply(int a, int b) {
- return a * b;
- }
- double divide(int a, int b) {
- if (b == 0) throw std::runtime_error("Division by zero");
- return static_cast<double>(a) / b;
- }
- void printMenu() {
- std::cout << "1. Add\n2. Subtract\n3. Multiply\n4. Divide\nChoose an option: ";
- }
- int main() {
- int choice, a, b;
- printMenu();
- std::cin >> choice;
- std::cout << "Enter two numbers: ";
- std::cin >> a >> b;
- try {
- switch (choice) {
- case 1: std::cout << "Result: " << add(a, b) << "\n"; break;
- case 2: std::cout << "Result: " << subtract(a, b) << "\n"; break;
- case 3: std::cout << "Result: " << multiply(a, b) << "\n"; break;
- case 4: std::cout << "Result: " << divide(a, b) << "\n"; break;
- default: std::cout << "Invalid option\n";
- }
- } catch (const std::exception& e) {
- std::cerr << e.what() << "\n";
- }
- return 0;
- }
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