C++ exercises and solutions: search item in Stack


Stack

Search item in Stack


Step 6: Searching for an item in the Stack

Another important operation of the Stack is searching for an item. To search for a specific item in the Stack is a sequential process. The comparison starts from the beginning of the list until the target item is found or until the end of the list is reached. Therefore, the firs matched item is returned.

//Searching for an item in the Stack

ListElem *find(int tar){
ListElem *t=pfirst;
int f = 0;
while (t != NULL)
{
if (t->data==tar) { f = 1; break; }
t = t->next;
}

if (f != 0) return t;
else return NULL;
}




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