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목록Reorder List (1)
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LeetCode: 143. Reorder List
Recursion을 이용한 방법 # Definition for singly-linked list. # class ListNode: # def __init__(self, val=0, next=None): # self.val = val # self.next = next class Solution: def reorderList(self, head: Optional[ListNode]) -> None: """ Do not return anything, modify head in-place instead. """ cur = head count = 0 while cur != None: count += 1 cur = cur.next new_head, _ = self.helper(head, count) return ne..
Computer Science/Coding Test
2021. 11. 22. 10:49