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]))
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