C++ sizeof运算符输出内置类型大小

#include
using namespace std;

int main(){
  cout<<"type\t"<<"type size"<<endl;//类型，类型大小。
  cout<<"bool\t\t"<<sizeof(bool)<<endl;
  cout<<"char\t\t"<<sizeof(char)<<endl;
  cout<<"wchar_t\t\t"<<sizeof(wchar_t)<<endl;
  cout<<"char16_t\t"<<sizeof(char16_t)<<endl;
  cout<<"char32_t\t"<<sizeof(char32_t)<<endl;
  cout<<"short\t\t"<<sizeof(short)<<endl;
  cout<<"int\t\t"<<sizeof(int)<<endl;
  cout<<"long\t\t"<<sizeof(long)<<endl;
  cout<<"long long\t"<<sizeof(long long)<<endl;
  cout<<"float\t\t"<<sizeof(float)<<endl;
  cout<<"double\t\t"<<sizeof(double)<<endl;
  cout<<"long double\t"<<sizeof(long double)<<endl;
}