#include <iostream>

using namespace std;

​

int main() {

  int myInt;

  float myFloat;

  double myDouble;

  char myChar;

​

  cout << sizeof(myInt) << "\n";     // 4 bytes (typically)

  cout << sizeof(myFloat) << "\n";   // 4 bytes

  cout << sizeof(myDouble) << "\n";  // 8 bytes

  cout << sizeof(myChar) << "\n";    // 1 byte

  return 0;

}

​