#include <iostream>

int main(){
	char *p = NULL; //empty pointer
	if (p) // evaluates to false as the pointer points to nothing
		std::cout <<"This won't get displayed!\n";

	p = new char[50];//allocate some memory

	if (p) {//memory has been allocated so this test will pass
		for (unsigned char i = 0; i != 50; i++) {
			char &v = *(p + i); // create a reference to
			v = 75; // set the character to K
		}

		// print out those K's
		for (unsigned char i = 0; i != 50; i++)
			std::cout <<*(p + i);

		// de-allocate the memory
		delete[] p;

		std::cout <<"\n";

		// apparently doesn't delete it all
		for(size_t i = 0; i != 50; i++)
			std::cout <<*(p + i);

	}
}