题解 | #统计每个月兔子的总数#
统计每个月兔子的总数
https://www.nowcoder.com/practice/1221ec77125d4370833fd3ad5ba72395
import sys
# for line in sys.stdin:
# a = line.split()
# print(int(a[0]) + int(a[1]))
n = int(input())
list = []
if n == 1:
list= [1]
elif n == 2:
list = [1,1]
elif n > 2:
list = [1,1]
# print(list[0],list[1])
for i in range(2,n):
list.append(list[i-1]+list[i-2])
print(list[n-1])