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목록206. Reverse Linked List (1)
Scribbling
LeetCode: 206. Reverse Linked List
Iterative가 빠르다. # Definition for singly-linked list. # class ListNode: # def __init__(self, val=0, next=None): # self.val = val # self.next = next class Solution: def reverseList(self, head: Optional[ListNode]) -> Optional[ListNode]: cur, prv = head, None while cur: nxt = cur.next cur.next = prv prv = cur cur = nxt return prv
Computer Science/Coding Test
2021. 12. 21. 20:43