generate-ridiculous-zero.cpp

#define SUPPRESS_SUBSCRIPT_WARNING 1

#include <iostream>
#include <string>
#include <random>

const int kMaxDepth = 5;

std::string emptyString(int depth=0, bool singular=false)
{
	++depth;
	if (depth > kMaxDepth)
	{
		return "\"\"";
	}

	bool indirect = rand() & 1;
	if (indirect)
	{
		if (singular)
		{
			return "(&*"+emptyString(depth)+")";
		}
		else
		{
			return "&*"+emptyString(depth);
		}
	}

	std::string s = "\"\"";
	while (rand() & 1)
	{
		s += "\"\"";
	}
	return s;
}

std::string zero(int depth=0)
{
	++depth;
	if (depth > kMaxDepth)
	{
		return "*\"\"";
	}

	switch (rand() % 6)
	{
		case 1: return zero(depth) + "&" + zero(depth);
		case 2: return zero(depth) + "*" + zero(depth);
		case 3: return "*&" + zero(depth);
#if SUPPRESS_SUBSCRIPT_WARNING
		case 4: return emptyString(depth, true) + "[+" + zero(depth) + "]";
#else
		case 4: return emptyString(depth, true) + "[" + zero(depth) + "]";
#endif
		case 5: return "(" + zero(depth) + ")[" + emptyString(depth) + "]";
	}

	return "*" + emptyString(depth);
}

int main()
{
	srand(time(NULL));
	std::cout << zero() << std::endl;
}