Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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C++ Code

///////

#include <iostream>

class BTNode {
public:
int item;
BTNode *left;
BTNode *right;
BTNode(int i, BTNode *l=nullptr, BTNode *r=nullptr):item(i),left(l),right(r){}
};

BTNode *root = nullptr;

void insert(int i) {
//implement code here
}

int main()
{
insert (5);
insert (10);
insert (1);

if (root)
{
std::cout << "root = " << root->item << std::endl;
if (root->left)
std::cout << "root->left = " << root->left->item << std::endl;
if (root->right)
std::cout << "root->right = " << root->right->item << std::endl;
}

return 0;
}

8.12 Assignment: BST Insert
Implement a function to insert a node into a binary search tree. Using the following class and function definition:
class BTNode {
public:
int item;
BTNode *left;
BTNode *right;
BTNode (int i, BTNode *1=nullptr, BTNode *r=nullptr):item (i),left (1),right(r){}
} ;
BTNode *root = nullptr;
void insert(int i) {
// implement
If the value to be inserted is already in the BST, then it should not be inserted a second time.
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Transcribed Image Text:8.12 Assignment: BST Insert Implement a function to insert a node into a binary search tree. Using the following class and function definition: class BTNode { public: int item; BTNode *left; BTNode *right; BTNode (int i, BTNode *1=nullptr, BTNode *r=nullptr):item (i),left (1),right(r){} } ; BTNode *root = nullptr; void insert(int i) { // implement If the value to be inserted is already in the BST, then it should not be inserted a second time.
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