class Solution(object):
def rob(self, nums):
"""
:type nums: List[int]
:rtype: int
"""
n=len(nums)
if n==0:
return 0
if n==1:
return nums[0]
i=2
maxinums=[nums[0],max(nums[0],nums[1])]
while i<n:
maxinums.append(max(maxinums[i-1],maxinums[i-2]+nums[i]))
i+=1
return maxinums[n-1]
sol=Solution()
print sol.rob(nums=[4,5,6,1])