题解 | #买卖股票的最好时机#

#
# 
# @param prices int整型一维数组 
# @return int整型
#
class Solution:
    def maxProfit(self , prices ):
        # write code here
        minP = prices[0]
        maxDel = -99999
        for ele in prices:
            maxDel = max(ele - minP,maxDel)
            if minP > ele:
                minP = ele
        return maxDel