876. Middle of the Linked List
Given the head of a singly linked list, return the middle node of the linked list.
If there are two middle nodes, return the second middle node.
Example 1:
Input: head = [1,2,3,4,5] Output: [3,4,5] Explanation: The middle node of the list is node 3.
Example 2:
Input: head = [1,2,3,4,5,6] Output: [4,5,6] Explanation: Since the list has two middle nodes with values 3 and 4, we return the second one.
Constraints:
- The number of nodes in the list is in the range
[1, 100]. 1 <= Node.val <= 100
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1# Definition for singly-linked list.
2# class ListNode:
3# def __init__(self, val=0, next=None):
4# self.val = val
5# self.next = next
6class Solution:
7 def middleNode(self, head: Optional[ListNode]) -> Optional[ListNode]:
8
Starter codePython 3Spaces: 4
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1# Definition for singly-linked list.
2# class ListNode:
3# def __init__(self, val=0, next=None):
4# self.val = val
5# self.next = next
6class Solution:
7 def middleNode(self, head: Optional[ListNode]) -> Optional[ListNode]:
8
Starter codePython 3Spaces: 4
Examples
Input
[1,2,3,4,5]
Input
[1,2,3,4,5,6]
Your code is saved on this device.Solution