走台阶_python3
小乐乐走台阶
http://www.nowcoder.com/questionTerminal/ebf04de0e02c486099d78b7c3aaec255
f = [1]*31
def fib(n):
if not (f[n] > 1 or n < 2):
f[n] = fib(n-1) + fib(n-2)
return f[n]
fib(30)
print(f[int(input())])小乐乐走台阶
http://www.nowcoder.com/questionTerminal/ebf04de0e02c486099d78b7c3aaec255
f = [1]*31
def fib(n):
if not (f[n] > 1 or n < 2):
f[n] = fib(n-1) + fib(n-2)
return f[n]
fib(30)
print(f[int(input())])相关推荐