x=(-b+(b↑24×axc)↑0.5)/(2×a)
x = (-b+(b↑2-4×a×c)↑0.5) / (2×a)
3. Linked implementation of Binary Trees Node structure of Binary Trees example data left right Ron Amy Ann
3. Linked implementation of Binary Trees Node structure of Binary Trees example
Linked Binary Trees Specifications Binary trees class 二叉树根结点指针 template <class Entry> class Binary tree i public ∥ Add methods here. protected l/ Add auxiliary function p/ototypes here Binary node<Entry> *root
Linked Binary Trees Specifications template <class Entry> class Binary_tree { public: // Add methods here. protected: // Add auxiliary function prototypes here. Binary_node<Entry> *root; }; Binary trees class 二叉树根结点指针
Binary node class 指向右孩子的指针 template <class Entry> struct Binary node I Entry data; Binary_ node<Entry> *left Binary_ node<Entry> *right Binary_ node Binary_ node(const Entry x);
template <class Entry> struct Binary_node { Entry data; Binary_node<Entry> *left; Binary_node<Entry> *right; Binary_node( ); Binary_node(const Entry & x); }; Binary node class 指向右孩子的指针 指向左孩子的指针 数据域
Inorder traversal: 调田递旧由序 递归中序遍历函数 template <class Entry> 多一个参数 void Binary-treeEntry?:inorder(void (*visit)(Er &) i recursive inorder (root, visit);] template <class Entry> void Binary_treEntry> recursive inorder(Binary node< Entry> *sub root, void visit)(Entry &) / Pre: sub_ root is either NULL or points to a subtree of the inary_tree Post: The subtree has been traversed in inorder sequence. * Iif (sub root E NULL i recursive inorder(sub root->left, visit) Visit)(sub root->data); recursive_inorder(sub root->right, visit);
template <class Entry> void Binary_tree<Entry>::inorder(void (*visit)(Entry &)) { recursive_inorder(root, visit); } template <class Entry> void Binary_tree<Entry>:: recursive_inorder(Binary_node<Entry> *sub_root, void (*visit)(Entry &)) /* Pre: sub_root is either NULL or points to a subtree of the inary_tree. Post: The subtree has been traversed in inorder sequence. */ { if (sub_root != NULL) { recursive_inorder(sub_root->left, visit); (*visit)(sub_root->data); recursive_inorder(sub_root->right, visit); } } Inorder traversal: method 函数参数 (访问数据) 调用递归中序 递归中序遍历函数 遍历函数 多一个参数