Write a nonrecursive routine to reverse a singly linked
list in O(N) time.
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Answer Posted / hasan ali mirza
list reverse(list L)
{
stack S;
position Lpos = first(L);
while(Lpos->element != NULL)
{
push(Lpos->element, S);
Lpos = Lpos->next;
}
makeEmpty(L);
Lpos = first(L);
while(isempty(S) == FALSE)
{
insert(pop(S), Lpos);
Lpos = Lpos->next;
}
return L;
}
| Is This Answer Correct ? | 3 Yes | 1 No |
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