C++各种类型大小

#include <iostream>
using namespace std;

int main()
{
	system("systeminfo | findstr \"[OS处理器]\"");
    cout << "C++ 各种数据长度\n"; // 1
	cout << "-----------------------" << endl;
	cout << "char \t\t\t"			<< sizeof(char) << endl; // 1
	cout << "unsigned char \t\t"	<< sizeof(unsigned char) << endl; // 1
	cout << "signed char \t\t"		<< sizeof(signed char) << endl; // 1
	cout << "wchar_t \t\t"			<< sizeof(wchar_t) << endl; // 2
	cout << "short int \t\t"		<< sizeof(short int) << endl; // 2
	cout << "unsigned short int \t" << sizeof(unsigned short int) << endl; // 2
	cout << "unsigned int \t\t"		<< sizeof(unsigned int) << endl; // 4
	cout << "signed int \t\t"		<< sizeof(signed int) << endl; // 4
	cout << "int \t\t\t"			<< sizeof(int) << endl; // 4
	cout << "long int \t\t"			<< sizeof(long int) << endl; // 4
	cout << "signed long int \t"	<< sizeof(signed long int) << endl; // 4
	cout << "unsigned long int \t"	<< sizeof(unsigned long int) << endl; // 4
	cout << "float \t\t\t"			<< sizeof(float) << endl; // 4
	cout << "double \t\t\t"			<< sizeof(double) << endl; // 8
	cout << "long double \t\t"		<< sizeof(long double) << endl; // 8
	cout << "long long \t\t"		<< sizeof(long long) << endl; // 8
}