c++ check if cin got the wrong type
#include <iostream>
#include <limits>
int main() {
int number;
std::cout << "Enter a number: ";
if (!(std::cin >> number)) {
std::cin.clear();
std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
std::cout << "Invalid input. Please enter a valid number." << std::endl;
} else {
std::cout << "You entered: " << number << std::endl;
}
return 0;
}