题解 | #牛牛的单链表求和#
牛牛的单链表求和
https://www.nowcoder.com/practice/a674715b6b3845aca0d5009bc27380b5
n = int(input())
lt = list(map(int,input().split()))
class Node:
def __init__(self, val, next=None):
self.val = val
self.next = next
total = lt[0]
head = Node(lt[0])
for i in lt[1:]:
total += i
head.next = Node(i)
head = head.next
print(total)