c++ - Find string using a bisectional search in linked list -


i have find function searches linked list of strings sequentially. find functions finds string , returns it. have remove function uses find function , removes string linked list. both of functions work. however, im trying test way search linked list , wondering if possible bisectional search in linked list. heres code:

find

stringlist::stringlistnode *stringlist::find(const string &s) //basic search function {     stringlistnode *sp = ptop;   // search     while (sp != 0 && sp->data != s)         sp = sp->pnext;         return sp;   }

here remove function:

 void stringlist::remove(string s) {      stringlistnode *curr = this->find(s);     if (curr->pprev != 0)     {         curr->pprev->pnext = curr->pnext;      }      if (curr->pnext != 0)     {         curr->pnext->pprev = curr->pprev;      }     if (ptop == curr)     {         ptop = curr->pnext;      }     if (pbottom == curr)     {         pbottom = curr->pprev;     }

both functions work perfectly. im wondering if show me example on how search linked list instead of sequential search, see how bisectional search work learning purposes. suggestions? thanks!


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