缘由 把int类型拆开并放入一个字符型数组当中。_编程语言-CSDN问答

	char a[47]{}; int aa = 0, x = 0;
	std::cin >> aa;
	while (aa)
		a[x++] = (aa % 10) + '0', aa /= 10;
	std::cout << a << "倒序\n";