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목록Reverse Linked List II (1)
Scribbling
LeetCode: 92. Reverse Linked List II
# Definition for singly-linked list. # class ListNode: # def __init__(self, val=0, next=None): # self.val = val # self.next = next class Solution: def reverseBetween(self, head: Optional[ListNode], left: int, right: int) -> Optional[ListNode]: new_head = ListNode(val=0, next=head) count = 0 ptr = new_head prev, cur = None, new_head nxt = head for i in range(left): prev = cur cur = nxt nxt = cur...
Computer Science/Coding Test
2021. 10. 12. 22:41