C++ versus Java.
Reverse a singly lined list.

Question

C++ versus Java.
Reverse a singly lined list.

J · Accepted Answer

reverse(Node n1, Node n2) {
Node newHead;
if (n2.next != null) newHead=reverse(n2, n2.next);
else newHead = n2;
n2.next = n1;
}

D · Answer

to J, good stuff. remember to return newHead

V · Answer

Node* reverseList(Node *n1, Node *n2) {
	Node *newHead;
	if (n2->next != NULL)
		newHead = reverseList(n2, n2->next);
	else
		newHead = n2;
	n2->next = n1;
	n1->next = NULL;
	return newHead;
}

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