تحديات برمجيةالتحدي الثاني - حل التمرين الخامس بلغة C++

#include <iostream> int main() { double a, b; int option = -1; std::cout << "Enter first number: "; std::cin >> a; std::cout << "Enter second number: "; std::cin >> b; std::cout << ( "\nWrite down the operation number then press enter\n" "0: To end the program.\n" "1: To print the sum.\n" "2: To print the subtraction.\n" "3: To print the multiplication.\n" "4: To print the division."); while (option != 0) { std::cout << "\n-------------------------\n"; std::cout << "Enter option: "; std::cin >> option; switch (option) { case 0: std::cout << "Program end."; break; case 1: std::cout << a << " + " << b << " = " << (a + b); break; case 2: std::cout << a << " - " << b << " = " << (a - b); break; case 3: std::cout << a << " * " << b << " = " << (a * b); break; case 4: std::cout << a << " / " << b << " = " << (a / b); break; } } char end; std::cin >> end; return 0; }