input是初始的资金，以及一系列价格，然后从第二个价格开始，如果价格高于前一个价格，则所有资金用来买这个东西，但是如果低于前一个价格，则全部卖掉（如果手头有货），最后如果有货不论价格都要卖掉

然后output是对应每个价格的总资产-input is the initial capital, as well as a range of prices, and then start　the second price, if the price is higher than the previous price, then all the money used to buy this stuff, but if less than the previous price, then sell all (if stock on hand), and finally if the goods to be sold regardless of price

Then output corresponding to each price total assets