题解 | #兔子的数量#
兔子的数量
https://www.nowcoder.com/practice/8783056676de4396b0bf816a3561d62f
def f(x): if x == 1: return 2 if x == 2: return 3 return f(x-1)+f(x-2) print(f(int(input())))
兔子的数量
https://www.nowcoder.com/practice/8783056676de4396b0bf816a3561d62f
def f(x): if x == 1: return 2 if x == 2: return 3 return f(x-1)+f(x-2) print(f(int(input())))
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