/* Given two trees, should return true if they are
mirror of each other. */
int areMirror(Node* a, Node* b)
{
if(!a && !b)
return 1;
if(!a || !b)
return 0;
if(a->data == b->data && areMirror(a->left, b->right) && areMirror(a->right, b->left))
return 1;
return 0;
}
int areMirror(struct Node* a, struct Node* b)
{
if (a == NULL && b == NULL)
return 1;
if (a == NULL || b == NULL)
return NULL;
return (a->data == b->data) &&
areMirror(a->left, b->right) &&
areMirror(a->right, b->left);
}
int main()
{
Node *a = newNode(1);
Node *b = newNode(1);
a->left = newNode(2);
a->right = newNode(3);
a->left->left = newNode(4);
a->left->right = newNode(5);
b->left = newNode(3);
b->right = newNode(2);
b->right->left = newNode(5);
b->right->right = newNode(4);
areMirror(a, b)? printf("Yes") : printf("No");
return 0;
}