'''
目标:收益最大
dp:记录着收益
确定买入:买入时机应是相邻左右的股票价格都比它大,是价格曲线的极小值
卖出时机:dp最大值
'''
def besttime(prices):
size = len(prices)
dp = [0]
'''
目标:收益最大
dp:记录着收益
确定买入:买入时机应是相邻左右的股票价格都比它大,是价格曲线的极小值
卖出时机:dp最大值
'''
def besttime(prices):
size = len(prices)
dp = [0]