bool初试

bool

#include <iostream>

int main() {
	while (true)
	{
		int a;
		std::cout << "enter a number：";
		std::cin >> a;
		if (a) // 只有a为0时，才是false
		{
			std::cout << "a is " << a << " and condition is true" << std::endl;
		}
		else
		{
			std::cout << "a is " << a << " and condition is false" << std::endl;
		}
	}
	return 0;
}