data structures - How to insert a item in sorted linked list within constant time complexity? -


i have problem in sorted linked list .i can't insert item in constant time. if possible how can solve it?

and function time complexity big-o(n)

template <class itemtype> void sortedtype<itemtype>::insertitem(itemtype item) {   nodetype<itemtype>* newnode;   nodetype<itemtype>* predloc;   nodetype<itemtype>* location;   bool moretosearch;    location = listdata;   predloc = null;   moretosearch = (location != null);   while (moretosearch)   {     if (location->info < item)     {       predloc = location;       location = location->next;       moretosearch = (location != null);     }     else moretosearch = false;   }   newnode = new nodetype<itemtype>;   newnode->info = item;    if (predloc == null)   {     newnode->next = listdata;     listdata = newnode;   }   else   {     newnode->next = location;     predloc->next = newnode;   }   length++; }

it not possible inset item in sorted linked list within constant time complexity. can insert item in o(log n) time complexity.

how apply binary search o(log n) on sorted linked list?


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