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  1. //
  2. //  main.cpp
  3. //  Height of Binary Tree
  4. //
  5. //  Created by Himanshu on 11/09/21.
  6. //
  7.  
  8. #include <iostream>
  9. #include <queue>
  10. using namespace std;
  11.  
  12. struct node {
  13.     int info = 0;
  14.     struct node *left, *right;
  15. };
  16. typedef struct node Node;
  17.  
  18. node* newNode(int data)
  19. {
  20.     node* Node = new node();
  21.     Node->info = data;
  22.     Node->left = NULL;
  23.     Node->right = NULL;
  24.  
  25.     return(Node);
  26. }
  27.  
  28.  
  29. int maxHeight (Node *root) {
  30.     if (!root) {
  31.         return -1;
  32.     }
  33.     int leftHt = maxHeight(root->left);
  34.     int rightHt = maxHeight(root->right);
  35.  
  36.     if (leftHt > rightHt) {
  37.         return (leftHt + 1);
  38.     } else {
  39.         return (rightHt + 1);
  40.     }
  41. }
  42.  
  43.  
  44. int main() {
  45.     Node *root = newNode(1);
  46.     root->left = newNode(20);
  47.     root->right = newNode(21);
  48.     root->right->left = newNode(30);
  49.     root->right->right = newNode(31);
  50.  
  51.     cout<<"The height of given tree is: "<<maxHeight(root)<<endl;
  52.  
  53.     return 0;
  54. }
  55.  
  56.  
Success #stdin #stdout 0.01s 5512KB
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Standard input is empty
stdout
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The height of given tree is: 2
https://ideone.com/egPHHv
language:
C++14 (gcc 8.3)
created:
3 years ago
visibility:
secret

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