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binary tree with c++

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MEZAACHE Ahmed Elamine answered on March 28, 2022 Popularity 9/10 Helpfulness 4/10

answer binary tree with c++

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binary tree with c++

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// Use any below method to implement Nodes of tree
 
// Method 1: Using "struct" to make
// user-define data type
struct node {
    int data;
    struct node* left;
    struct node* right;
};
 
// Method 2: Using "class" to make
// user-define data type
class Node {
public:
    int data;
    Node* left;
    Node* right;
};

Popularity 9/10 Helpfulness 4/10 Language cpp

Source: www.geeksforgeeks.org

Tags: binary-tree c++

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Contributed on Jan 04 2023

MEZAACHE Ahmed Elamine

0 Answers Avg Quality 2/10

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cpp binary tree

Comments(1)

A binary tree is a tree data structure in which each parent node can have at most 
two children. Each node of a binary tree consists of three items:
    data item
    address of left child
    address of right child
    
// Binary Tree in C++

#include <stdlib.h>
#include <iostream>

using namespace std;

struct node {
  int data;
  struct node *left;
  struct node *right;
};

// New node creation
struct node *newNode(int data) {
  struct node *node = (struct node *)malloc(sizeof(struct node));

  node->data = data;

  node->left = NULL;
  node->right = NULL;
  return (node);
}

// Traverse Preorder
void traversePreOrder(struct node *temp) {
  if (temp != NULL) {
    cout << " " << temp->data;
    traversePreOrder(temp->left);
    traversePreOrder(temp->right);
  }
}

// Traverse Inorder
void traverseInOrder(struct node *temp) {
  if (temp != NULL) {
    traverseInOrder(temp->left);
    cout << " " << temp->data;
    traverseInOrder(temp->right);
  }
}

// Traverse Postorder
void traversePostOrder(struct node *temp) {
  if (temp != NULL) {
    traversePostOrder(temp->left);
    traversePostOrder(temp->right);
    cout << " " << temp->data;
  }
}

int main() {
  struct node *root = newNode(1);
  root->left = newNode(2);
  root->right = newNode(3);
  root->left->left = newNode(4);

  cout << "preorder traversal: ";
  traversePreOrder(root);
  cout << "\nInorder traversal: ";
  traverseInOrder(root);
  cout << "\nPostorder traversal: ";
  traversePostOrder(root);
}

Popularity 10/10 Helpfulness 5/10 Language cpp

Source: Grepper

Tags: binary-tree bina

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Contributed on Mar 28 2022

rng70

0 Answers Avg Quality 2/10

c++ binary tree

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#include <iostream>
 
using namespace std;

struct Node {
    int data;
    Node *left;
    Node *right;
};

class BinaryTree {
    private:
        int height;
        Node *root;
        void printTree(const vector<const Node *const> &) const;
        void destroyTree(const Node *const);

    public:
        BinaryTree();
        ~BinaryTree();

        BinaryTree& insert(const int &);

        void display() const;

        void preorder(const Node *) const;    // Root -> Left -> Right 
        void inorder(const Node *) const;     // Left -> Root -> Right
        void postorder(const Node *) const;   // Left -> Right -> Root

        void levelorder() const {
            this->display();
        }

        bool search(const int &) const;
        void deleteNode(const int &);
};

Popularity 8/10 Helpfulness 4/10 Language cpp

Source: Grepper

Tags: binary-tree bina

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Contributed on Jul 06 2023

Mysterious Macaque

0 Answers Avg Quality 2/10

Binary Tree in C++

Comment

// Binary Tree in C++

#include <stdlib.h>

#include <iostream>

using namespace std;

struct node {
  int data;
  struct node *left;
  struct node *right;
};

// New node creation
struct node *newNode(int data) {
  struct node *node = (struct node *)malloc(sizeof(struct node));

  node->data = data;

  node->left = NULL;
  node->right = NULL;
  return (node);
}

// Traverse Preorder
void traversePreOrder(struct node *temp) {
  if (temp != NULL) {
    cout << " " << temp->data;
    traversePreOrder(temp->left);
    traversePreOrder(temp->right);
  }
}

// Traverse Inorder
void traverseInOrder(struct node *temp) {
  if (temp != NULL) {
    traverseInOrder(temp->left);
    cout << " " << temp->data;
    traverseInOrder(temp->right);
  }
}

// Traverse Postorder
void traversePostOrder(struct node *temp) {
  if (temp != NULL) {
    traversePostOrder(temp->left);
    traversePostOrder(temp->right);
    cout << " " << temp->data;
  }
}

int main() {
  struct node *root = newNode(1);
  root->left = newNode(2);
  root->right = newNode(3);
  root->left->left = newNode(4);

  cout << "preorder traversal: ";
  traversePreOrder(root);
  cout << "\nInorder traversal: ";
  traverseInOrder(root);
  cout << "\nPostorder traversal: ";
  traversePostOrder(root);
}

Popularity 9/10 Helpfulness 4/10 Language cpp

Source: www.programiz.com

Tags: binary-tree bina

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Contributed on Dec 26 2022

Hilarious Heron

0 Answers Avg Quality 2/10

binary tree implementation in c++

Comment

// CPP program to construct binary 
// tree from given array in level
// order fashion Tree Node
#include <bits/stdc++.h>
using namespace std;
 
/* A binary tree node has data, 
pointer to left child and a
pointer to right child */
struct Node
{
    int data;
    Node* left, * right;
};
 
/* Helper function that allocates a
new node */
Node* newNode(int data)
{
    Node* node = (Node*)malloc(sizeof(Node));
    node->data = data;
    node->left = node->right = NULL;
    return (node);
}
 
// Function to insert nodes in level order
Node* insertLevelOrder(int arr[],
                       int i, int n)
{
      Node *root = nullptr;
    // Base case for recursion
    if (i < n)
    {
        root = newNode(arr[i]);
         
        // insert left child
        root->left = insertLevelOrder(arr,
                   2 * i + 1, n);
 
        // insert right child
        root->right = insertLevelOrder(arr,
                  2 * i + 2, n);
    }
    return root;
}
 
// Function to print tree nodes in
// InOrder fashion
void inOrder(Node* root)
{
    if (root != NULL)
    {
        inOrder(root->left);
        cout << root->data <<" ";
        inOrder(root->right);
    }
}
 
// Driver program to test above function
int main()
{
    int arr[] = { 1, 2, 3, 4, 5, 6, 6, 6, 6 };
    int n = sizeof(arr)/sizeof(arr[0]);
    Node* root = insertLevelOrder(arr, 0, n);
    inOrder(root);
}
 
// This code is contributed by Chhavi and improved by Thangaraj

Popularity 6/10 Helpfulness 3/10 Language cpp

Source: www.geeksforgeeks.org

Tags: binary-tree c++ implementation

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Contributed on Oct 20 2023

Stugots

0 Answers Avg Quality 2/10

binary tree with c++

Comment

-1

# A Python class that represents
# an individual node in a Binary Tree
 
class Node:
    def __init__(self, key):
        self.left = None
        self.right = None
        self.val = key

Popularity 9/10 Helpfulness 1/10 Language cpp

Source: www.geeksforgeeks.org

Tags: binary-tree bina

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Contributed on Jan 04 2023

MEZAACHE Ahmed Elamine

0 Answers Avg Quality 2/10

binary tree with c++

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