C++二叉排序树的创建和插入

来源：互联网发布：中国软件培训编辑：程序博客网时间：2024/06/04 23:27

加/**/表示另一种二叉排序树的创建方法

第一类

#include <iostream>using namespace std;class TreeNode {public:    int data;    TreeNode *LeftChild;    TreeNode *RightChild;    TreeNode() :LeftChild(NULL), RightChild(NULL) {}};class BiSortTree {private:    TreeNode *root;    int *info;    int size;    int loc;    TreeNode *CreateTree();    TreeNode* InsertNode(TreeNode *p, int d);    TreeNode* Search(TreeNode *p, int d);    void Delete(int d);public:    BiSortTree(int s, int arr[]);    void CreateBiSortTree();    void InsertBiSortTree(int d);    void InOder(TreeNode *p);    void InOderTree();    void SearchData(int d);    void DeleteData(int d);};BiSortTree::BiSortTree(int s, int arr[]) {    /*    loc = 1;    */    loc = 0;    count = 0;    size = s;    info = new int[size];    for (int i = 0; i < size; i++)        info[i] = arr[i];}void BiSortTree::CreateBiSortTree() {    /*    root = new TreeNode();    if (size)        root->data = info[0];    CreateTree(root);    */    CreateTree();}TreeNode *BiSortTree::CreateTree() {    while (loc < size)         root = InsertNode(root, info[loc++]);    /*    if (loc < size) {        if (p->data > info[loc]) {            if (!p->LeftChild) {                p->LeftChild = new TreeNode();                p->LeftChild->data = info[loc++];            }            else                CreateTree(p->LeftChild);        }        else            if (p->data < info[loc]) {                if (!p->RightChild) {                    p->RightChild = new TreeNode();                    p->RightChild->data = info[loc++];                }                else                    CreateTree(p->RightChild);            }        CreateTree(root);    }    return NULL;    */    return NULL;}void BiSortTree::InOderTree() {    InOder(root);}void BiSortTree::InOder(TreeNode *p) {    if (p) {        InOder(p->LeftChild);        cout << p->data << ' ';        InOder(p->RightChild);    }}TreeNode* BiSortTree::InsertNode(TreeNode *p, int d) {    TreeNode *T;    if (!p) {        T = new TreeNode();        T->data = d;         return T;    }    if (p->data > d)        p->LeftChild = InsertNode(p->LeftChild, d);    else        if (p->data < d)            p->RightChild = InsertNode(p->RightChild, d);    return p;}void BiSortTree::InsertBiSortTree(int d) {    InsertNode(root, d);}int main() {    int t;    cin >> t;    while (t--) {        int s;        cin >> s;        int *arr = new int[s];        for (int i = 0; i < s; i++)            cin >> arr[i];        BiSortTree sTree(s, arr);        sTree.CreateBiSortTree();        sTree.InOderTree();        cout << endl;        int m;        cin >> m; //插入节点个数        while (m--) {            int d;            cin >> d; //数据插入            sTree.InsertBiSortTree(d);            sTree.InOderTree();            cout<<endl;        }        delete arr[];    }    //system("pause");    return 0;}

第二类

#include <iostream>using namespace std;class TreeNode {public:    int data;    TreeNode *LeftChild;    TreeNode *RightChild;    TreeNode() :LeftChild(NULL), RightChild(NULL) {}};class BiSortTree {private:    TreeNode *root;    int *info;    int size;    int loc;    int count;    TreeNode *CreateTree(TreeNode *p);    TreeNode* InsertNode(TreeNode *p, int d);    TreeNode* Search(TreeNode *p, int d);    void Delete(int d);public:    BiSortTree(int s, int arr[]);    void CreateBiSortTree();    void InsertBiSortTree(int d);    void InOder(TreeNode *p);    void InOderTree();    void SearchData(int d);    void DeleteData(int d);};BiSortTree::BiSortTree(int s, int arr[]) {    loc = 1;    count = 0;    size = s;    info = new int[size];    for (int i = 0; i < size; i++)        info[i] = arr[i];}void BiSortTree::CreateBiSortTree() {    root = new TreeNode();    if (size)        root->data = info[0];    CreateTree(root);}TreeNode *BiSortTree::CreateTree(TreeNode *p) {    if (loc < size) {        if (p->data > info[loc]) {            if (!p->LeftChild) {                p->LeftChild = new TreeNode();                p->LeftChild->data = info[loc++];            }            else                CreateTree(p->LeftChild);        }        else            if (p->data < info[loc]) {                if (!p->RightChild) {                    p->RightChild = new TreeNode();                    p->RightChild->data = info[loc++];                }                else                    CreateTree(p->RightChild);            }        CreateTree(root);    }    return NULL;}void BiSortTree::InOderTree() {    InOder(root);}void BiSortTree::InOder(TreeNode *p) {    if (p) {        InOder(p->LeftChild);        cout << p->data << ' ';        InOder(p->RightChild);    }}TreeNode* BiSortTree::InsertNode(TreeNode *p, int d) {    TreeNode *T;    if (!p) {        T = new TreeNode();        T->data = d;         return T;    }    if (p->data > d)        p->LeftChild = InsertNode(p->LeftChild, d);    else        if (p->data < d)            p->RightChild = InsertNode(p->RightChild, d);    return p;}int main() {    int t;    cin >> t;    while (t--) {        int s;        cin >> s;        int *arr = new int[s];        for (int i = 0; i < s; i++)            cin >> arr[i];        BiSortTree sTree(s, arr);        sTree.CreateBiSortTree();        sTree.InOderTree(); //中序遍历输出有序序列        cout << endl;        int m;        cin >> m;        while (m--) {            int d;            cin >> d;            sTree.InsertBiSortTree(d);            sTree.InOderTree();            cout<<endl;        }    }    system("pause");}/*Input1622 33 55 66 11 443775010*//*OutPut11 22 33 44 55 66 11 22 33 44 55 66 77 11 22 33 44 50 55 66 77 10 11 22 33 44 50 55 66 77 */

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