题解 | #输出单向链表中倒数第k个结点#
输出单向链表中倒数第k个结点
https://www.nowcoder.com/practice/54404a78aec1435a81150f15f899417d
while True:
try:
n=int(input())>0
s=input().split()
k=int(input())
if s[-k].isdigit:
print(s[-k])
else:
print(' ')
except:
break