奇安信笔试
第二题养鹅投资，一直卡在80%
class Solution:
def maxIncomeProducts(self, products, months):
n = len(products)
x_l = []
y_l = []
for i in range(n):
x_l.append(products[i].x)
y_l.append(products[i].y)
ans = []
for i in range(n-1, -1, -1):
f, w = months // x_l[i], months % x_l[i]
if f >= 1:
ans.append(i)
months = w
return [products[i] for i in range(n) if i in ans]
