题解 | #兔子的数量#
兔子的数量
https://www.nowcoder.com/practice/8783056676de4396b0bf816a3561d62f
import sys def rabbit_num(n): if n == 0: return 0 elif n == 1: return 2 elif n == 2: return 3 else: return rabbit_num(n-1) + rabbit_num(n-2) month = int(input()) print(rabbit_num(month)) for line in sys.stdin: a = line.split() print(int(a[0]) + int(a[1]))