Function main

Trees/delete_nodes_BST.cpp:128–139

}

int main()
{
    vector<int>test={8,5,3,6,11,10,9,12};
    Tree *root=nullptr;
    for(int i:test)
    root=root->buildTree(i);
    cout<<"The tree:  ";
    root->preOrder();
    root=deleteNode(root,6);
    cout<<"\nThe tree after deletion:  ";
    root->preOrder();
}