Best Time to Buy and Sell Stock
Posted 唐僧洗发爱飘柔
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这道题为简单题
题目:
思路:
这道题我做得有点久了,今天才看见没有写进来,这个挺简单的,min保存最小值,cha最大差值,遍历列表,如果该元素大于min,就cha就等于cha和i-min之间的最大值,如果该元素小于min,那么min就等于i,最后返回cha
代码:
1 class Solution(object): 2 def maxProfit(self, prices): 3 """ 4 :type prices: List[int] 5 :rtype: int 6 """ 7 if len(prices) == 0 or len(prices) == 1: 8 return 0 9 min = prices[0] 10 cha = 0 11 for i in prices: 12 if i > min: 13 cha = max(cha, i - min) 14 if i <= min: 15 min = i 16 return cha
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