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  1. #include<stdio.h>
  2. #include<stdlib.h>
  3. struct tree{int data;
  4.             struct tree*right,*left;
  5.             };
  6. void insert(struct tree**,int);
  7. void inorder(struct tree*);
  8. int main()
  9. { struct tree *head=NULL;
  10.    insert(&head,5);
  11.    insert(&head,9);
  12.    insert(&head,8);
  13.    insert(&head,6);
  14.    insert(&head,2);
  15.    insert(&head,15);
  16.    inorder(head);
  17. return 0;
  18. }
  19.  
  20. void insert(struct tree **head,int i)
  21. {struct tree*temp=*head;
  22.   if(temp==NULL)
  23.    {temp=malloc(sizeof(struct tree));
  24.     temp->right=NULL;
  25.     temp->left=NULL;
  26.     *head=temp;
  27.     }
  28.    else
  29.   { if(temp->data>i)
  30.        insert(&(temp->left),i);
  31.     else
  32.      insert(&(temp->right),i);
  33.    }
  34. }
  35.  
  36. void inorder(struct tree*head)
  37. {if(head)
  38.   {inorder(head->left);
  39.     printf("%d",head->data);
  40.     inorder(head->right);
  41.   }
  42. }
Success #stdin #stdout 0.01s 1852KB
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000000
https://ideone.com/DQeJV
language:
C (gcc 8.3)
created:
11 years ago
visibility:
public

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