reverse a linked list javascript
// O(n) time & O(n) space
function reverse(head) {
if (!head || !head.next) {
return head;
}
let tmp = reverse(head.next);
head.next.next = head;
head.next = undefined;
return tmp;
}reverse a linked list javascript
// O(n) time & O(n) space
function reverse(head) {
if (!head || !head.next) {
return head;
}
let tmp = reverse(head.next);
head.next.next = head;
head.next = undefined;
return tmp;
}invert linked list js
const reverseList = function(head) {
let prev = null;
while (head !== null) {
let next = head.next;
head.next = prev;
prev = head
head = next;
}
return previous;
};Copyright © 2021 Codeinu
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