Akuna Capital Data Platform SDE intern OA

一共三道题，感觉lt medium-hard难度
1. Trading Platform


A quantitative trading firm seeks tocreate a tool for querying the netprofit/loss of the firm at any given time.The tool processes a list of events, eachof which can be classified into one offour categories;
1. BUY stock quantity. Signifies thepurchase of <quantity> shares of stock<stock> at the market price.
2.SELL stock quantity. Indicates the sale of<quantity> shares of stock <stock> atthe market price.
3.CHANGE stock price: Signifies a changein the market price of <stock> by<p

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rs and/or numbers with aminimum length of 8. Once a request isvalidated, the URL parameters must beparsed as a comma-separated string.
URL parameters are identified by theportion ofthe URL that comes afteraquestion mark (?). They consist ofa key The tool should return a list of numbers corresponding to each OUERY event

请问你拿到second round了嘛，难度咋样？

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