#include<stdio.h>
#include<stdlib.h>
typedef struct Node{
    int data;
    struct Node* left;
    struct Node* right;
}Node;
Node* newNode(int val){
    Node* temp=(Node*)malloc(sizeof(Node));
    temp->data=val;
    temp->left=temp->right=NULL;
    return temp;
}
Node* builTree(int arr[],int n,int i){
    if(i>=n)return NULL;
    Node* root =newNode(arr[i]);
}