Exemple #1
0
/******************************************************************************************
 * Test an AVL
 ******************************************************************************************/
template <typename T> void  testAVL(int n) {
   AVL<T>* avl = new AVL<T>;
   while (avl->size() < n) {
      T e = dice((T)n*3); //[0, 3n)范围内的e
      switch (dice(3)) {
         case 0: { //查找,成功率 <= 33.3%
            printf("Searching for "); print(e); printf(" ...\n");
            BinNodePosi(T) & p = avl->search(e);
            p ?
               printf("Found with"), print(p), printf("\n") :
               printf("Not found\n");
            break;
         }
         case 1: { //删除,成功率 <= 33.3%
            printf("Removing "); print(e); printf(" ...\n");
            avl->remove(e) ? printf("Done\n"), print(avl) : printf("Not exists\n");
            break;
         }
         default: {//插入,成功率 == 100%
            printf("Inserting "); print(e); printf(" ...\n");
            BinNodePosi(T) p = avl->insert(e);
            printf("Done with"), print(p), printf("\n"), print(avl);
            break;
         }
      }
   }
   while (avl->size() > 0) {
      T e = dice((T)n*3); //[0, 3n)范围内的e
      printf("Removing "); print(e); printf(" ...\n");
      avl->remove(e) ? printf("Done\n"), print(avl) : printf("Not exists\n");
   }
   release(avl);
}
int main() {
  AVL<int>* avl = new AVL<int>();

  avl->insert(4);   // 4

  avl->insert(7);   //     4
                    //        7
  
  avl->insert(6);   //     6
                    //   4   7

  avl->insert(10);  //     6
                    //   4   7
                    //         10

  avl->insert(12);  //     6
                    //   4      10
                    //        7     12

  avl->print();

  std::cout << "\n";
  avl->remove(6);

  avl->print();
  std::cout << "\n";
  avl->printInOrder();
  std::cout << "\n";
  avl->printPostOrder();

  return 0;

}
Exemple #3
0
int main()
{
    while (true)
    {
        ///////////// Read user input ////////////

        std::string command, value;
        size_t key;

        utils::read_input<size_t, std::string>(std::cin, command, key, value);

        ///////////// Process ///////////

        switch (utils::str2enum(command))
        {
            case options::LS:
            {
                g_avl.Print();
                break;
            }

            case options::ADD:
            {
                g_avl.insert(key, value);
                break;
            }

            case options::RM:
            {
                g_avl.remove(key);
                break;
            }

            case options::GET:
            {
                try
                {
                    std::cout << key << " = " << g_avl.lookup(key) << std::endl;
                }
                catch (const std::string& e)
                {
                    std::cout << "error: " << e << std::endl;
                }

                break;
            }

            case options::Q: { exit(0); break; }
            
            case options::UNKNOWN: { break; }
        }
    }

    return 0;
}
Exemple #4
0
int main() {
   
  int SIZE=20;
  vector<int> v(SIZE);  
  AVL<int>* avl = new AVL<int>();
  srand(time(0));  

  for (int i=0;i<SIZE;i++) {
    v[i] = 5*i;
  }
  random_shuffle(v.begin(),v.end());

  cout << "Multiples of 5 from 0 to 95 have been shuffled." << endl;
  cout << "They will be inserted into an AVL tree in the following order:" << endl << endl;  
  for (int i=0;i<SIZE;i++) {
    cout << v[i] << endl;
  }
  cout << endl;

  for (int i=0;i<SIZE;i++) {
    avl->insert(v[i]);
    cout << "After Inserting " << v[i] << endl << endl;
    avl->print();
  }
  cout << "In Order Traversal: " << endl;
  avl->inOrderTraversal();
  cout << endl << "Post Order Traversal: " << endl;
  avl->postOrderTraversal();
  cout << endl;
  
  cout << "Now the shuffled numbers will be removed from the AVL tree ";
  cout << "in the order they were inserted." << endl << endl;
  for (int i=0;i<SIZE;i++) {
    avl->remove(v[i]);
    cout << "After Removing " << v[i] << endl << endl;
    avl->print();
  }
  
  avl->removeTree(); 
  srand(time(0)); 

  cout << "Now 20 random numbers between 0 and 99 will be inserted into an AVL tree in this order.";
  cout << endl;
  for (int i=0;i<SIZE;i++) {
    v[i] = rand() % 100;
    cout << v[i] << endl;
  }
  cout << endl;
  
  for (int i=0;i<SIZE;i++) {
    avl->insert(v[i]);
    cout << "After Inserting " << v[i] << endl << endl;
    avl->print();
  }

  cout << "In Order Traversal: " << endl;
  avl->inOrderTraversal();
  cout << endl << "Post Order Traversal: " << endl;
  avl->postOrderTraversal();
  cout << endl;
  
  for (int i=0;i<SIZE;i++) {
    avl->remove(v[i]);
    cout << "After Removing " << v[i] << endl << endl;
    avl->print();
  }

  avl->removeTree();

  cout << "Now the numbers from 1 to 20 will be inserted into an AVL tree in order." << endl;
  cout << "They will be removed in the same order." << endl;
  for (int i=0;i<SIZE;i++) {
    v[i] = i+1;
    cout << v[i] << endl;
  }
  cout << endl;

  for (int i=0;i<SIZE;i++) {
    avl->insert(v[i]);
    cout << "After Inserting " << v[i] << endl << endl;
    avl->print();
  }

  cout << "In Order Traversal: " << endl;
  avl->inOrderTraversal();
  cout << endl << "Post Order Traversal: " << endl;
  avl->postOrderTraversal();
  cout << endl;
  
  for (int i=0;i<SIZE;i++) {
    avl->remove(v[i]);
    cout << "After Removing " << v[i] << endl << endl;
    avl->print();
  }

  avl->removeTree();

  cout << "Now the numbers from 1 to 20 will be inserted into an AVL tree in order." << endl;
  cout << "They will be removed in REVERSE order." << endl;
  for (int i=0;i<SIZE;i++) {
    v[i] = i+1;
    cout << v[i] << endl;
  }
  cout << endl;

  for (int i=0;i<SIZE;i++) {
    avl->insert(v[i]);
    cout << "After Inserting " << v[i] << endl << endl;
    avl->print();
  }

  cout << "In Order Traversal: " << endl;
  avl->inOrderTraversal();
  cout << endl << "Post Order Traversal: " << endl;
  avl->postOrderTraversal();
  cout << endl;
  
  for (int i=0;i<SIZE;i++) {
    avl->remove(v[SIZE-1-i]);
    cout << "After Removing " << v[SIZE-1-i] << endl << endl;
    avl->print();
  }

  delete avl;


/*
  AVL<int>* avl = new AVL<int>();
  avl->insert(1);
  avl->insert(2);
  avl->print();
  avl->insert(3);
  avl->print();
  avl->insert(4);
  avl->print();
  avl->insert(5);
  avl->print();
  avl->insert(6);
  avl->print();
  avl->insert(7);
  avl->print();
  avl->insert(8);
  avl->insert(9);
  avl->print();  
  avl->insert(10);
  avl->print();
  avl->inOrderTraversal();
  avl->postOrderTraversal();

  
  avl->remove(1);
  avl->print();  
  avl->remove(2);
  avl->print();  
  avl->remove(3);
  avl->print();  
  avl->remove(4);
  avl->print();
  avl->remove(5);
  avl->print();  
  avl->remove(6);
  avl->print();  
  avl->remove(7);
  avl->print();  
  avl->remove(8);
  avl->print();
  avl->remove(9);
  avl->print();
  avl->remove(10);
  avl->print();  

  avl->insert(5);
  avl->print();
  avl->insert(18);
  avl->print();
  avl->insert(25);
  avl->insert(2);
  avl->insert(1);
  avl->print();
  avl->remove(18);
  avl->print();
  delete avl;

  AVL<int>* a = new AVL<int>();
  a->insert(400);
  a->print();
  a->remove(5);
  a->print();
  a->remove(400);
  a->print();
  delete a;
*/

/*
  AVL<double>* d = new AVL<double>();
  d->insert(1);
  d->insert(2);
  d->insert(4);
  d->print();
  d->insert(3.5);
  d->insert(5);
  d->print();
  d->insert(3.25);
  d->print();

  delete d;

  AVL<int>* a1 = new AVL<int>();
  a1->insert(10);
  a1->insert(20);
  a1->insert(30);
  a1->insert(40);
  a1->print();
  a1->insert(35);
  a1->print();
  delete a1;

  AVL<int> a2;
  a2.insert(3);
  a2.insert(2);
  a2.insert(1);
  a2.insert(4);
  a2.print();
  a2.insert(5);
  a2.print();
  a2.insert(6);
  a2.print();
  a2.insert(7);
  a2.print();
  a2.insert(16);
  a2.print();
  a2.insert(15);
  a2.print();
  a2.insert(14);
  a2.print();
  a2.remove(7);
  a2.print();
  a2.remove(4);
  a2.print();
*/
/*
  AVL<double>* db=new AVL<double>();
  db->insert(7.5);
  db->insert(12.98);
  db->insert(3.45);
  db->insert(-2.58);
  db->insert(99.1);
  db->print();
  db->remove(12.98);
  db->remove(7.5);
  db->remove(5.34353);
  db->print();
  delete db;

  AVL<int>* b=new AVL<int>();
  b->insert(10);
  b->insert(5);
  b->insert(15);
  b->insert(1);
  b->insert(7);
  b->insert(11);
  b->insert(17);
  b->insert(18);
  b->insert(12);
  b->insert(14);
  b->insert(19);
  b->insert(8);
  b->insert(9);

  b->print();
 
  b->remove(15);
  b->remove(12);
  b->remove(10);
  b->print();
  b->remove(19);
  b->print();

  delete b;
*/

}
Exemple #5
0
int main()
{
	
	cout << "TIME TESTS: " << endl << endl;

	AVL<int> t;
	set<int> s;

	cout << "Tree insertion" << endl;
	time_t start = clock();
	for (int i{ 0 }; i != 10000000; ++i)
		t.insert(i);
	cout << "Time : " << double(clock() - start) / CLOCKS_PER_SEC << " seconds\n\n";

	cout << "Set insortion" << endl;
	start = clock();
	for (int i{ 0 }; i != 10000000; ++i)
		s.insert(i);
	cout << "Time : " << double(clock() - start) / CLOCKS_PER_SEC << " seconds\n";

	cout << endl << "=================================" << endl << endl;

	cout << "Tree removing" << endl;
	start = clock();
	for (int i{ 0 }; i != 10000000; ++i)
		t.remove(i);
	cout << "Time : " << double(clock() - start) / CLOCKS_PER_SEC << " seconds\n\n";

	cout << "Set removing" << endl;
	start = clock();
	for (int i{ 0 }; i != 10000000; ++i)
		s.erase(i);
	cout << "Time : " << double(clock() - start) / CLOCKS_PER_SEC << " seconds\n";

	cout << endl << "=================================" << endl << endl;
	
	cout << "Tree searching" << endl;
	start = clock();
	for (int i{ 0 }; i != 100000000; ++i)
		t.find(1 + rand() % 1000000);
	cout << "Time : " << double(clock() - start) / CLOCKS_PER_SEC << " seconds\n\n";

	cout << "Set searching" << endl;
	start = clock();
	for (int i{ 0 }; i != 100000000; ++i)
		s.find(1 + rand() % 1000000);
	cout << "Time : " << double(clock() - start) / CLOCKS_PER_SEC << " seconds\n";
	

	/*
	AVL<int> tree;

	tree.insert(5);
	tree.insert(15);
	tree.insert(3);
	tree.insert(2);
	tree.insert(1);
	tree.insert(6);
	tree.insert(9);

	tree.print();
	cout << "Depth of the tree is : " << tree.getDepth() << '\n';
	cout << "begin() is " << *(tree.begin()) << endl << endl;

	tree.remove(5);
	tree.remove(15);
	tree.remove(2);

	cout << "Elements 5, 15, 2 were removed. " << endl;
	tree.print();

	cout << endl << "Lets find elem 6 in tree and make an iterator " << endl;
	AVL<int>::iterator<int> it{ tree.find(6) };
	++it;
	std::cout << "Next element is " << *it << '\n';
	--it;
	--it;
	std::cout << "Preveous element is " << *it << '\n' << '\n';

	tree.saveInFile("tree.txt");

	AVL<int> tree1;
	tree1.loadFromFile("tree.txt");

	cout << endl << "New tree was loaded from file : " << endl << endl;
	tree1.print();
	*/
}