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