#include <iostream>

int main() {

	int* pn1 = new int{ 5 };
	int* pn2 = new int{ 25 };
	double* pd = new double{ 9.5 };

	std::cout << pn1 << ' ' << pn2 << ' ' << pd << '\n';

	system("pause");
	return 0;
}

#include <iostream>
#include <climits>

int main()
{
   std::cout << "CHAR_BIT (bits in a byte): " << CHAR_BIT << "\n\n";

   std::cout << "Computing the size in bytes of some C and C++ built-in variable types\n\n";

   std::cout << "Size of bool:               " << sizeof(bool) << '\n';
   std::cout << "Size of char:               " << sizeof(char) << '\n';
   std::cout << "Size of wchar_t:            " << sizeof(wchar_t) << '\n';
   std::cout << "Size of unsigned short int: " << sizeof(unsigned short) << '\n';
   std::cout << "Size of short:              " << sizeof(short) << '\n';
   std::cout << "Size of unsigned long int:  " << sizeof(unsigned long) << '\n';
   std::cout << "Size of long:               " << sizeof(long) << '\n';
   std::cout << "Size of int:                " << sizeof(int) << '\n';
   std::cout << "Size of unsigned int:       " << sizeof(unsigned int) << '\n';
   std::cout << "Size of float:              " << sizeof(float) << '\n';
   std::cout << "Size of double:             " << sizeof(double) << "\n\n";

   std::cout << "The output can change with compiler, processor type and OS\n\n";

   std::cout << "C++11 added several new fundamental variable types.\n";
   std::cout << "The values can change whether compiled as 32 or 64 bit.\n\n";

   std::cout << "Size of char16_t:           " << sizeof(char16_t) << '\n';
   std::cout << "Size of char32_t:           " << sizeof(char32_t) << '\n';
   std::cout << "Size of unsigned long long: " << sizeof(unsigned long long) << '\n';
   std::cout << "Size of long long:          " << sizeof(long long) << '\n';
   std::cout << "Size of long double:        " << sizeof(long double) << '\n';
   std::cout << "Size of nullptr:            " << sizeof(nullptr) << '\n';
}

#include <iostream>

int main()
{
   int  x    = 10;
   int* xPtr = &x;

   std::cout << sizeof(x)    << ", " << x    << ",\n" << &x    << "\n\n";
   std::cout << sizeof(xPtr) << ", " << xPtr << ",\n" << &xPtr << '\n';
}