medium是你的谎言.
class Solution:def maxProfit(self, prices: List[int]) -> int:#1if len(prices) == 1:return 0#elsemax_profit = 0min_price = prices[0]for i, element in enumerate(prices):#find a min_price if element <= min_price:min_price = elementelse:#sell immediatelymax_profit += element - min_pricemin_price = elementreturn max_profit