题解 | #斐波那契数列#
斐波那契数列
http://www.nowcoder.com/practice/c6c7742f5ba7442aada113136ddea0c3
斐波那契数列的python实现
#
# 代码中的类名、方法名、参数名已经指定,请勿修改,直接返回方法规定的值即可
#
#
# @param n int整型
# @return int整型
#
class Solution:
def Fibonacci(self , n: int) -> int:
# write code here
if n<=2:
return 1
a = 1
b = 1
for i in range(n-2):
c = a+b
a, b = b, c
return c