bool containsNearbyAlmostDuplicate(vector<int>& nums, int k, int t) {
BinarySearchTree btree;
for (int i = 0; i < nums.size(); i++) {
if (btree.search_or_add(Node(nums[i], t)))
return true;
//btree.debug();
if (btree.size() > k) {
btree.del(Node(nums[i-k], t));
}
}
return false;
}
int main()
{
BinarySearchTree bst;
bstNode* t = bst.Root();
hcnode *h = NULL;
hcnode a, b, c;
int g=0;
int t1=1;
cout<<"enter '.' "<<"to end input"<<endl;
while(t1)
{ //loop for input values
cout<<"Enter char: ";
cin>>a.c;
if(a.c=='.')
break;
cout<<"Enter freq: ";
cin>>a.freq;
a.left = NULL;
a.right = NULL;
bst.add(t,a);
g++;
}
if(g==1) //if only one node is entered there is no traversal as why a code there is only one char;
{
cout<<"only one element "<<endl;
exit(1);
}
while(!bst.check(t)) //check upon number of nodes and finally only one bstnode remains with the hcnode with all data
{
a = bst.minimum(t); //gets first minimum hcnode from bst
bst.del(t,a); //deletes the mininmum node from bst as it is already accessed
b = bst.minimum(t); //next min node
bst.del(t,b); //del last node ie it is in hcnode b
c = bst.minimum(t); //next min node
bst.del(t,c); //del last node ie it is in hcnode c
add(h,a,b,c); //adds the three nodes ie create a combined node
bst.add(t,*h); //adds combined node to bst
}
int count=0;
inorderc(t,count); //if count is two add function has only two hcnodes
if(count==2)
{
if(t->lchild!=NULL)
{
add(h,t->data,t->lchild->data); //h=node;a=node with max freq;b=node with less freq(h,a,b)
}
if(t->rchild!=NULL)
{
add(h,t->rchild->data,t->data);
}
}
hcnode*f=h;
cout<<endl<<"printing level order "<<endl;
levelorder(h);
cout<<endl;
string s;
cout<<endl<<"Enter string: ";
cin>>s;
for(int i=0;i<s.length();i++)
{
if(s[i]=='1')
{
f = f->mid;
}
else if(s[i]=='0')
{
f = f->left;
}
else
{
f=f->right;
}
if(f->left==NULL && f->right==NULL&&f->mid==NULL)
{
cout<<f->c;
f = h;
}
}
return 0;
}