#include <iostream> int main2() { //���� ��short 2bytes int 4bytes long 4bytes long long 8bytes //��������sizeof�����������ռ���ڴ��С //��� sizeof(�������� / ����) short num1 = 10; std::cout << "shortռ�õ��ڴ�ռ�Ϊ��" << sizeof(short) << std::endl; int unm2 = 10; std::cout << "intռ�õ��ڴ�ռ�Ϊ��" << sizeof(int) << std::endl; long num3 = 10; std::cout << "longռ�õ��ڴ�ռ�Ϊ��" << sizeof(long) << std::endl; long long num4 = 10; std::cout << "longռ�õ��ڴ�ռ�Ϊ��" << sizeof(long) << std::endl; //���δ�С�Ƚ� //short < int <= long <= long long system("pause"); return 0; }