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  1. #include<iostream>
  2. #include<cstdlib>
  3. using namespace std;
  4. typedef struct node
  5. {
  6.     struct node* left;
  7.     long value;
  8.     struct node* right;
  9. }tnode;
  10. tnode* insertnode(long,tnode*);
  11. tnode* createnode(long);
  12. int height(tnode*);
  13. void preorder(tnode*);
  14. int main()
  15. {
  16.     int n,i;
  17.     cin>>n;
  18.     long input[n];
  19.     for(i=0;i<n;i++)
  20.     {
  21.         cin>>input[i];
  22.     }
  23.     tnode *root=(tnode*)malloc(sizeof(tnode));
  24.     root=NULL;
  25.     //cout<<"HI"<<endl;
  26.     root=insertnode(input[0],root);
  27.     for(i=1;i<n;i++)
  28.     {
  29.         insertnode(input[i],root);
  30.     }
  31.     //preorder(root);
  32.     cout<<height(root)<<endl;
  33.     return 0;
  34. }
  35. tnode* insertnode(long value,tnode* node)
  36. {
  37.     if(node==NULL)
  38.     {
  39.         return createnode(value);
  40.     }
  41.     else if(value<node->value)
  42.     {
  43.         node->left=insertnode(value,node->left);
  44.     }
  45.     else if(value>node->value)
  46.     {
  47.         node->right=insertnode(value,node->right);
  48.     }
  49. }
  50. tnode* createnode(long value)
  51. {
  52.     tnode* temp=(tnode*)malloc(sizeof(tnode));
  53.     temp->value=value;
  54.     temp->left=temp->right=NULL;
  55.     return temp;
  56. }
  57. int height(tnode* node)
  58. {
  59.     int lht,rht;
  60.     if(node==NULL)
  61.     {
  62.         return 0;
  63.     }
  64.     else
  65.     {
  66.         lht=height(node->left);
  67.         rht=height(node->right);
  68.         if(lht>=rht)
  69.         {
  70.             return lht+1;
  71.         }
  72.         else
  73.         {
  74.             return rht+1;
  75.         }
  76.     }
  77. }
  78. void preorder(tnode* temp)
  79. {
  80.     if(temp!=NULL)
  81.     {
  82.             cout<<temp->value<<" ";
  83.             preorder(temp->left);
  84.             preorder(temp->right);
  85.     }
  86. }
Success #stdin #stdout 0s 16064KB
comments (?)
stdin 
4
2 1 3 4
stdout 
2
https://ideone.com/rm5vIa
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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