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BinaryInvertTree.cpp
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BinaryInvertTree.cpp
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// 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);
}