C++ 6ms 4-line recursive solution --- A simple and fast one

  • 0

    class Solution {
    ListNode* reverseList(ListNode* head, ListNode* pre = NULL) {
    if (head == NULL) { return pre; }
    ListNode* res = reverseList(head->next, head);
    head->next = pre;
    return res;

Log in to reply

Looks like your connection to LeetCode Discuss was lost, please wait while we try to reconnect.