25 lines
602 B
Python
25 lines
602 B
Python
# Definition for singly-linked list.
|
|
# class ListNode:
|
|
# def __init__(self, x):
|
|
# self.val = x
|
|
# self.next = None
|
|
|
|
class Solution:
|
|
def middleNode(self, head: ListNode) -> ListNode:
|
|
aux = head
|
|
cont = 1
|
|
while aux.next:
|
|
cont += 1
|
|
aux = aux.next
|
|
print(cont)
|
|
if cont%2 == 0:
|
|
posicao = (cont/2)+1
|
|
else:
|
|
posicao = (cont//2)+1
|
|
aux = head
|
|
cont = 1
|
|
while True:
|
|
if cont == posicao:
|
|
return aux
|
|
aux = aux.next
|
|
cont += 1 |