int main ()
{
// char a ; short int b ; long int c ; float d ; double e ; bool f ; long double g ; wchar_t h ;
cout << "size of char is " << sizeof (char) << '\n';
cout << "size of short int is " << sizeof (short int) << '\n';
cout << "size of long int is " << sizeof (long int) << '\n';
cout << "size of float is " << sizeof (float) << endl;
cout << "size of double is " << sizeof (double) << endl;
cout << "size of bool is " << sizeof (bool) << endl;
cout << "size of long double is " << sizeof (long double) << endl;
cout << "size of wchar_t is " << sizeof (wchar_t) << endl;
return 0 ;
}