C++ (Cpp) HashSet::serializeToFileの例

コード例 #1

ファイル: Main.cpp プロジェクト: zdgeorgiev/FMI

int main()
{
	int filesCount;
	cin >> filesCount;

	if (filesCount == 0)
		return 0;

	cin.ignore();

	char** files = readFilesFromStdOut(filesCount);
	char* smallestFile = getSmallestFile(files, filesCount);

	HashSet* hs = initialize(smallestFile);

	for (int i = 0; i < filesCount; ++i)
	{
		char* currentFile = files[i];

		// skip the smallest file
		if (!strcmp(currentFile, smallestFile))
			continue;

		HashSet* intersection = new HashSet(hs->getCapacity());

		ifstream is(currentFile);

		while (true)
		{
			uint_64 n;
			is.read((char*)&n, sizeof(uint_64));

			if (is.eof())
				break;

			if (hs->contains(n))
				intersection->add(n);
		}

		is.close();

		// If at some point the intersection is empty
		// we no longer have to check the other files
		if (intersection->isEmpty())
			break;

		delete hs;

		// Swap the previous intersection with the new one
		hs = intersection;
	}

	// Write the output in binary file
	hs->serializeToFile("result.bin");

	delete hs;

	for (int i = 0; i < filesCount; ++i)
		delete[] files[i];
	delete[] files;

	delete[] smallestFile;

	system("pause");
	return 0;
};