#include <iostream>
#include <cstring>

/*
	This file contains evil non-standard C++... 
	and cut and pasted code that should be a function but sholden is
	too lazy...
*/

void output_array(int *array, int size);

int main() {
	int *pointer1 = new int[4];
	for (int i=0;i<4;i++)
		pointer1[i] = i;

	std::cout << "Pointer one points to : ";
	output_array(pointer1,4);

	delete[] pointer1;
	std::cout << std::endl;
	std::cout << "After we delete pointer one we have:\n";
	std::cout << "Pointer one points to : ";
	output_array(pointer1,4);

	char *pointer2  = new char[16];
	std::cout << std::endl;
	std::cout << "Now allocate pointer two to be an array of 16 chars\n";
	strcpy(pointer2,"abcdefghijklmno");
	std::cout << "Pointer one points to : ";
	output_array(pointer1,4);
	std::cout << "Pointer two points to : \""<<pointer2<<'"'<<std::endl;

	std::cout << std::endl;
	std::cout << "Now do pointer1[3] = 345670000\n";
	pointer1[3] = 345670000;
	std::cout << "Pointer one points to : ";
	output_array(pointer1,4);
	std::cout << "Pointer two points to : \""<<pointer2<<'"'<<std::endl;

	std::cout << "\n\nUsing memory after it has been deleted doesn't always cause a crash\n";
	std::cout << "It can just make variables change values and makes for very hard to find errors\n";
}


void output_array(int *array, int size) {
	std::cout << '{' << array[0];
	for (int i=1;i<size;i++)
		std::cout << ", " << array[i];
	std::cout << '}'<< std::endl;
}