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목록21. Merge Two Sorted Lists (1)
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LeetCode: 21. Merge Two Sorted Lists
Use dummy head to simplify code. # Definition for singly-linked list. # class ListNode: # def __init__(self, val=0, next=None): # self.val = val # self.next = next class Solution: def mergeTwoLists(self, l1: Optional[ListNode], l2: Optional[ListNode]) -> Optional[ListNode]: dummy_head = ListNode() cur, p1, p2 = dummy_head, l1, l2 while p1 != None and p2 != None: if p1.val
Computer Science/Coding Test
2022. 1. 5. 11:51