C++ sizeof()

 #include <iostream>

using namespace std;

 

int main() {

   cout << "Size of char : " << sizeof(char) << endl;

   cout << "Size of int : " << sizeof(int) << endl;

   cout << "Size of short int : " << sizeof(short int) << endl;

   cout << "Size of long int : " << sizeof(long int) << endl;

   cout << "Size of float : " << sizeof(float) << endl;

   cout << "Size of double : " << sizeof(double) << endl;

   cout << "Size of wchar_t : " << sizeof(wchar_t) << endl;

   

   return 0;

}

-----------------------------------------------------------------------

Size of char : 1

Size of int : 4

Size of short int : 2

Size of long int : 4

Size of float : 4

Size of double : 8

Size of wchar_t : 4