题解 | 兔子的数量
兔子的数量
https://www.nowcoder.com/practice/8783056676de4396b0bf816a3561d62f
dict={1:2, 2:3}
n=int(input())
if n in dict.keys():
print(dict[n])
else:
for i in range(3,n+1):
dict[i]=dict[i-1]+dict[i-2]
print(dict[n])
兔子的数量
https://www.nowcoder.com/practice/8783056676de4396b0bf816a3561d62f
dict={1:2, 2:3}
n=int(input())
if n in dict.keys():
print(dict[n])
else:
for i in range(3,n+1):
dict[i]=dict[i-1]+dict[i-2]
print(dict[n])
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