# -*- coding:utf-8 -*-
class Solution:
def jumpFloor(self, number):
# write code here
ans=[0,1,2]
for i in range(3,number+1):
ans.append(ans[i-1]+ans[i-2])
return ans[number]
# -*- coding:utf-8 -*-
class Solution:
def jumpFloor(self, number):
# write code here
ans=[0,1,2]
for i in range(3,number+1):
ans.append(ans[i-1]+ans[i-2])
return ans[number]