Write a function to find the depth of a binary tree.
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Answer Posted / napster
#include<stdio.h> /* A tree node structure */struct node{
int data; struct node *left; struct node *right;}; /*
Helper function for getLevel(). It returns level of the
data if data is present in tree, otherwise returns
0.*/int getLevelUtil(struct node *node, int data, int level)
{ if ( node == NULL ) return 0; if ( node->data ==
data ) return level; return getLevelUtil ( node->left,
data, level+1) | getLevelUtil ( node->right, data,
level+1);} /* Returns level of given data value */int
getLevel(struct node *node, int data){ return getLevelUtil
(node,data,1);} /* Utility function to create a new Binary
Tree node */struct node* newNode(int data){ struct node
*temp = new struct node; temp->data = data; temp->left =
NULL; temp->right = NULL; return temp;} /* Driver
function to test above functions */int main(){ struct node
*root = new struct node; int x; /* Constructing tree
given in the above figure */ root = newNode(3); root-
>left = newNode(2); root->right = newNode(5); root->left-
>left = newNode(1); root->left->right = newNode(4); x =
3; printf(" Level of %d is %d", x, getLevel(root, x)); x
= 6; printf("\n Level of %d is %d", x, getLevel(root,
x)); getchar(); return 0;}
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