Exemplo n.º 1
0
int main() 
{
	RedBlackTree<int, int> tree;
	/*for(int i = 0; i<10; i++) {
		std::pair<int, int> item;
		item.first = i; item.second = i;
		tree.insert(item);
	}*/
	std::pair<int, int> item;
	item.first = 0; item.second = 0;
	tree.insert(item);	
	tree.print();
	item.first = 1; item.second = 1;
	tree.insert(item);
	tree.print();
	item.first = 2; item.second = 2;
	tree.insert(item);
	tree.print();
	item.first = 3; item.second = 2;
	tree.insert(item);
	tree.print();
	item.first = 4; item.second = 2;
	tree.insert(item);
	tree.print();
	item.first = 6; item.second = 2;
	tree.insert(item);
	tree.print();
	item.first = 1; item.second = 2;
	tree.insert(item);
	tree.print();
	for(BinarySearchTree<int, int>::iterator it = tree.begin(); it != tree.end(); ++it) {
		std::cout << it->first << " ";
	}
	return 0;
}
Exemplo n.º 2
0
int main(){
	RedBlackTree<int, char>* tree = new RedBlackTree<int,char>();

	cout << "Constructed Tree" << endl;

	cout << "Insert 10, A" << endl;
	pair<int, char> p1(10,'a');
	tree->insert(p1);
	tree->print2();
	cout << endl;

	cout << "Insert Duplicate 10, X" << endl;
	pair<int, char> p123(10,'x');
	tree->insert(p123);
	tree->print2();
	cout << endl;

	cout << "Insert 20, B" << endl;
	pair<int, char> p2(20,'b');
	tree->insert(p2);
	tree->print2();
	cout << endl;

	cout << "Insert 30, C" << endl;
	pair<int, char> p3(30,'c');
	tree->insert(p3);
	tree->print2();
	cout << endl;


	cout << "Insert 15, D" << endl;
	pair<int, char> p4(15,'d');
	tree->insert(p4);
	tree->print2();
	cout << endl;

	cout << "Insert 25, E" << endl;
	pair<int, char> p5(25,'e');
	tree->insert(p5);
	tree->print2();
	cout << endl;

	cout << "Insert 12, F" << endl;
	pair<int, char> p6(12,'f');
	tree->insert(p6);
	tree->print2();
	cout << endl;

	cout << "Insert 5, G" << endl;
	pair<int, char> p7(5,'g');
	tree->insert(p7);
	tree->print2();
	cout << endl;
	
	cout << "Insert 3, H" << endl;
	pair<int, char> p8(3,'h');
	tree->insert(p8);
	tree->print2();
	cout << endl;

	cout << "Insert 8, I" << endl;
	pair<int, char> p9(8,'i');
	tree->insert(p9);
	tree->print2();
	cout << endl;

	cout << "Insert 27, j" << endl;
	pair<int, char> p10(27,'j');
	tree->insert(p10);
	tree->print2();
	cout << endl;

	cout << "Insert 40, k" << endl;
	pair<int, char> p11(40,'k');
	tree->insert(p11);
	tree->print2();
	cout << endl;

	cout << "Insert 50, z" << endl;
	pair<int, char> p14(50,'z');
	tree->insert(p14);
	tree->print2();
	cout << endl;

	cout << "Insert 45, l" << endl;
	pair<int, char> p12(45,'l');
	tree->insert(p12);
	tree->print2();
	cout << endl;

	cout << "Insert 9, m" << endl;
	pair<int, char> p13(9,'m');
	tree->insert(p13);
	tree->print2();
	cout << endl;
	
	
	cout << "Testing Iteration:" << endl;
	for(RedBlackTree<int,char>::iterator it = tree->begin(); it!=tree->end(); ++it){
		cout << (*it).first << " ";
	}
	cout << endl;

	return 0;
}
Exemplo n.º 3
0
int main(int argc, const char *argv[]) {
// Make sure the right number of command line arguments exist.
    if (!(argc == 3 || argc == 2)) {
        cerr << "Usage: " << argv[0] << " <filename> [limit]" << endl;
        return 1;
    }
// Create an ifstream object.
    ifstream input_file(argv[1]);
// If it does not exist, print an error message.
    if (!input_file) {
        cerr << "Error: Cannot open file '" << argv[1] << "' for input."
                << endl;
        return 1;
    }

    if (argc == 3 && !is_number(argv[2])) {
        cerr << "Error: Invalid limit '" << argv[2] << "' received." << endl;
        return 1;
    }

    int limit;
    if (argc == 3) {
        limit = atoi(argv[2]);
    } else {
        limit = 10;
    }

    if (limit < 0) {
        cerr << "Error: Invalid limit '" << argv[2] << "' received." << endl;
        return 1;
    }

    RedBlackTree<string, int> *tree;
    tree = new RedBlackTree<string, int>();
// Add read errors to the list of exceptions the ifstream will handle.
    input_file.exceptions(ifstream::badbit);
    string line;
    unsigned int maxwordwidth = 0;

    try {

        // Use getline to read in a line.
        // See http://www.cplusplus.com/reference/string/string/getline/

        while (getline(input_file, line)) {
            string buf; // Have a buffer string
            stringstream ss(line); // Insert the string into a stream

            vector<string> tokens; // Create vector to hold our words

            while (ss >> buf) {
                tokens.push_back(buf);

                string nopunct = removePunct(buf);

                RedBlackTree<string, int>::iterator it = tree->find(nopunct);
                if (it == tree->end()) {
                    if (nopunct != "")
                        tree->insert(nopunct, 1);
                } else {
                    it->second++;
                }
            }

        }

        // Don't forget to close the file.
        input_file.close();

    } catch (const ifstream::failure &f) {
        cerr << "Error: An I/O error occurred reading '" << argv[1] << "'.";
    }

    vector<Node<string, int> > sorted;
    for (RedBlackTree<string, int>::iterator it = tree->begin();
            it != tree->end(); ++it) {
        Node<string, int> n(it->first, it->second);

        sorted.push_back(n);
    }

    sort(sorted.begin(), sorted.end(), lessthanfun); //loop through sorted from 0 to limit to determine the largest word size
    int wordnum = 1;
    for (vector<Node<string, int> >::iterator it = sorted.begin();
            it != sorted.end(); ++it) {

        if ((it->kv_pair_.first).size() > maxwordwidth) {
            maxwordwidth = (it->kv_pair_.first).size();
        }
        if (wordnum >= limit) {

            break;
        }
        wordnum++;
    }

    wordnum = 1;
    cout << "Total unique words: " << tree->size() << endl;
    int numwidth = numDigits(min((int) tree->size(), limit));
    for (vector<Node<string, int> >::iterator it = sorted.begin();
            it != sorted.end(); ++it) {

        string numstring = "";
        int thisnumwidth = numDigits(wordnum);
        for (int i = 0; i < numwidth - thisnumwidth; i++) {
            numstring += " ";
        }

        stringstream convert;
        convert << wordnum;
        numstring += convert.str();
        string wordoutput = it->kv_pair_.first;

        for (size_t i = 0; i < maxwordwidth - (it->kv_pair_.first).size() + 1;
                i++) {

            wordoutput += " ";
        }
        cout << numstring << ". " << wordoutput << it->kv_pair_.second << endl;
        if (wordnum >= limit) {
            break;

        }
        wordnum++;
    }
    return 0;
}