Write an Efficient C Function to Convert a Binary Tree into its Mirror Tree | GeeksforGeeks


Mirror of a Tree: Mirror of a Binary Tree T is another Binary Tree M(T) with left and right children of all non-leaf nodes interchanged.

void mirror(struct node* node)
{
  if (node==NULL)
    return
  else
  {
    struct node* temp;
     
    /* do the subtrees */
    mirror(node->left);
    mirror(node->right);
 
    /* swap the pointers in this node */
    temp        = node->left;
    node->left  = node->right;
    node->right = temp;
  }
}
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