C++Primer第五版第四章练习4.28-优快云博客

该程序展示了如何在C++中使用sizeof运算符来计算bool、char等算术类型以及wchar_t、char16_t、char32_t等特殊字符类型的存储空间大小。

/*
练习4.28：
编写程序，输出每一种内置类型所占空间的大小。
答：
内置类型包括算术类型和空类型。
算术类型包括整型和浮点型：
bool、char、wchar_t、char16_t、char32_t、short、
int、long、long long、float、double、long double
*/
#include "TouWenJian_4.h"

int main()
{
	cout<<"1、bool size of bytes : \t\t"<<sizeof(bool)<<" bytes"<<endl<<endl;
	cout<<"2、char size of bytes : \t\t"<<sizeof(char)<<" bytes"<<endl<<endl;
	cout<<"3、wchar_t size of bytes : \t\t"<<sizeof(wchar_t)<<" bytes"<<endl<<endl;
	cout<<"4、char16_t size of bytes : \t\t"<<sizeof(char16_t)<<" bytes"<<endl<<endl;
	cout<<"5、char32_t size of bytes : \t\t"<<sizeof(char32_t)<<" bytes"<<endl<<endl;
	cout<<"6、short size of bytes : \t\t"<<sizeof(short)<<" bytes"<<endl<<endl;
	cout<<"7、int size of bytes : \t\t\t"<<sizeof(int)<<" bytes"<<endl<<endl;
	cout<<"8、long size of bytes : \t\t"<<sizeof(long)<<" bytes"<<endl<<endl;
	cout<<"9、long long size of bytes : \t\t"<<sizeof(long long)<<" bytes"<<endl<<endl;
	cout<<"10、float size of bytes : \t\t"<<sizeof(float)<<" bytes"<<endl<<endl;
	cout<<"11、double size of bytes : \t\t"<<sizeof(double)<<" bytes"<<endl<<endl;
	cout<<"12、long double size of bytes : \t"<<sizeof(long double)<<" bytes"<<endl<<endl;
	
	
	return 0;
}