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Binary Search Tree in C++ #2051

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Oct 3, 2022
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75 changes: 75 additions & 0 deletions Binary Search Tree in C++.cpp
Original file line number Diff line number Diff line change
@@ -0,0 +1,75 @@
/******************************************************************************

Online C++ Compiler.
Code, Compile, Run and Debug C++ program online.
Write your code in this editor and press "Run" button to compile and execute it.

*******************************************************************************/

#include <iostream>

using namespace std;

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

struct BstNode* getNewNode(int data){
struct BstNode* newNode = (struct BstNode*)malloc(sizeof(struct BstNode*));
newNode->data = data;
newNode->left = NULL;
newNode->right = NULL;
return newNode;
}

struct BstNode* Insert(struct BstNode* root, int data){
if(root == NULL){
root = getNewNode(data);
}

else if(data <= root->data){
root->left = Insert(root->left,data);
}
else {
root->right = Insert(root->right,data);
}
return root;
}

bool Search(struct BstNode* root, int data){
if(root==NULL){
return false;
}
else if(root->data == data) {
return true;
}
else if(data <= root->data){
return Search(root->left,data);
}
else {
return Search(root->right,data);
}
}

int main()
{
int a,x;
struct BstNode* root = NULL;
root = Insert(root,15);
root = Insert(root,10);
root = Insert(root,10);
root = Insert(root,20);
root = Insert(root,25);
root = Insert(root,8);
printf("\nEnter number to be searched: ");
scanf("%d",&x);

if(Search(root,x) == true) cout<<"Found\n";
else cout<<"Not Found\n";



return 0;
}