Quantlab 试题

This problem will require you to write an application that will take in
an input file 'input.csv' and write out a new file calculated from the inputs.

Technology Choice (In order of preference)
#1 - An object oriented language
#2 - A functional language

We are looking for an object oriented or functional solution.  A procedural scripting
solution isn't acceptable.

_______________________________________________________________________________

Input:
The input file represents a very simplified stream of trades on an exchange.  
Each row represents a trade.  If you don't know what that means don't worry.  
The data can be thought of as a time series of values in columns:

<TimeStamp>,<Symbol>,<Quantity>,<Price>

Although the provided input file is small,

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Unlock interview details and practice with AI
Curated Interview Questions from Top Companies

80,aac,21,638
52930489178,aaa,18,1222
52931654404,aaa,9,1077
52933453444,aab,9,756

Sample Output:
aaa,5786864,40,1161,1222
aab,6103032,69,810,907
aac,3081431,41,559,638

Send your source code and output.csv back for evaluation when complete.
Include the amount of time you spent working on the solution and
simple instructions for building and/or running your solution.




补充内容 (2016-1-5 04:40):
input.csv 是个20000多行的csv文件，格式与sample input一样

xiaozhuxiaozhu 发表于 2016-1-12 12:26
一般cs master都可以申请么？

我是本科生==申的貌似是technical intern。
还有个专门给master的intern貌似是做research的。鉴于还没读master就没关心。

henear 发表于 2016-1-12 12:30
我是本科生==申的貌似是technical intern。
还有个专门给master的intern貌似是做research的。鉴于还没读 ...

lz能不能给个hr的联系方式么。

henear 发表于 2016-1-12 12:19
去年9月招聘会投的简历，10月底发email告诉我可以申了，11月发的题，12月初把我拒了==

一般cs master都可以申请么？

楼主可以私我一下csv file吗？ 虽然没申quantlab. 但想练习练习

你怎么申请的呢？？？

xiaozhuxiaozhu 发表于 2016-1-12 12:14
你怎么申请的呢？？？

去年9月招聘会投的简历，10月底发email告诉我可以申了，11月发的题，12月初把我拒了==

xiaozhuxiaozhu 发表于 2016-1-12 12:36
lz能不能给个hr的联系方式么。

我查了一下他所有邮件都通过jobvite发的==