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Binary search tree. Need to implemet the bst.cpp file. //bst.h class Node { public: int key; Node* left; Node* right; Node(int data) { key =

Binary search tree. Need to implemet the bst.cpp file.

//bst.h

class Node { public: int key; Node* left; Node* right; Node(int data) { key = data; left = NULL; right = NULL; } };

class BST { public: BST(); ~BST(); /* insertion */ void insert(int data); Node* insert(Node* node, int data); /* search */ Node* search(int key); Node* search(Node* node, int key); /* delection */ void remove(int key); Node* remove(Node* node, int key); Node* leftmostNode(Node* node); /* in-order traversal */ void inorder(); void inorder(Node* node); private: Node* root; };

//bst.cpp

#include #include "bst.h"

using namespace std;

BST::BST() { ////////////////// } BST::~BST() { ////////////////// } void BST::insert(int data) { ////////////////// } Node* BST::insert(Node* node, int data) { ////////////////// }

Node* BST::search(int key) { ////////////////// } Node* BST::search(Node* node, int key) { ////////////////// }

void BST::inorder() { ////////////////// } void BST::inorder(Node* node) { ////////////////// } void BST::remove(int key) { ////////////////// } Node* BST::remove(Node* node, int key) { ////////////////// } Node* BST::leftmostNode(Node* node) { ////////////////// }

//main.cpp

#include #include "bst.h"

using namespace std;

int main() { BST bst; bst.insert(50); bst.insert(30); bst.insert(20); bst.insert(40); bst.insert(70); bst.insert(60); bst.insert(80); bst.inorder(); cout << (bst.search(50) == NULL ? "Element not found." : "Element found.") << endl; bst.remove(40); bst.remove(50); bst.inorder(); cout << (bst.search(50) == NULL ? "Element not found." : "Element found.") << endl; return 0; }

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