int AVLHash :: search(int k) { int pos = hashCode(k); AVL *tree = hash_table[pos]; return tree->search(k); }
/****************************************************************************************** * 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(){ FileIO * file = new FileIO("tube.txt"); vector<Station *> station_list = file->read_file_to_station_list(); vector<Station *> sorted_list = file->read_file_to_station_list(); std::sort(sorted_list.begin(), sorted_list.end(), sort_by_name); // print_all(sorted_list, station_list); // search_by_keyword(sorted_list, station_list); // mode_selection(sorted_list, station_list); //test section node<int> *_node = new node<int>(); // cout<<sorted_list[0]->get_station_index()<<endl; _node->data = sorted_list[0]->get_station_index(); AVL<int> *tree = new AVL<int>(_node); //new binary_tree<int>(_node); for(vector<Station *>::iterator it = sorted_list.begin() + 1;it != sorted_list.end();++it){ bool b_return = tree->insert((*it)->get_station_index()); // cout<<(*it)->get_station_index()<<" "<<b_return<<endl; } cout<<"done!"<<endl; // tree->traverse_inorder(tree->root); cout<<"Tree height is "<<tree->tree_height<<endl; node<int> *returned_node = tree->search(0); cout<<returned_node->data<<" "<<returned_node->height<<endl; node<int> *rhs = tree->root; // cout<<rhs->data<<" "<<rhs->height<<endl; rhs = rhs->rhs; node<int> min, max; // cout<<"d 1"<<endl; tree->find_min_from(rhs, min); // cout<<"d 2"<<endl; tree->find_max_from((tree->root)->lhs, max); cout<<"min in right branch is "<<min.data<<" "<<min.height<<endl; cout<<"max in left branch is "<<max.data<<" "<<max.height<<endl; cout<<"depth is "<<tree->find_depth(tree->root)<<endl; cout<<"left branch depth is "<<tree->find_depth((tree->root)->lhs)<<endl; cout<<"right branch depth is "<<tree->find_depth((tree->root)->rhs)<<endl; cout<<"balance factor is "<<tree->balance_factor(tree->root)<<endl; cout<<"tree is balanced? "<<tree->is_balanced(tree->root)<<endl; cout<<"tree root "<<(tree->root)->data<<endl; // delete[] tree->root; delete tree; return 0; }