哪里有H1b pending过程中回国问题的规定说明?# Immigration - 落地生根
q*8
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看好心人写的A家面经,设计题大家都不怎么讨论,虽然是open question,但是能够熟
悉一下思路也是好的。我这里归纳一下最近的设计题:
1.data structure for arithmatic expression? What OOD principal should you
use? What design pattern to use if you need to add many functions to your
data structure?
2. customers want to buy some products but the products are out of stock,
design a system to notify them when those products are again available.
3.design, display a customer's friends list who also bought the product he
is curently looking at.
4.,现在亚马逊希望通过facebook寻找拥有共同爱好的用户,并推荐那些用户所购买的
商品给这个用户。如果这个新用户刚刚通过facebook连接到amazon的账户上,请设计一
个算法和相应的数据结构
来给用户推荐商品。并列出时间复杂度和空间复杂度。
感觉除了第一个,都是很现实的问题,聊起来没边,但是大概有哪些方便涉及到会有加
分?大家讨论讨论?(我直接copy原帖了,感谢发帖的牛人们)
悉一下思路也是好的。我这里归纳一下最近的设计题:
1.data structure for arithmatic expression? What OOD principal should you
use? What design pattern to use if you need to add many functions to your
data structure?
2. customers want to buy some products but the products are out of stock,
design a system to notify them when those products are again available.
3.design, display a customer's friends list who also bought the product he
is curently looking at.
4.,现在亚马逊希望通过facebook寻找拥有共同爱好的用户,并推荐那些用户所购买的
商品给这个用户。如果这个新用户刚刚通过facebook连接到amazon的账户上,请设计一
个算法和相应的数据结构
来给用户推荐商品。并列出时间复杂度和空间复杂度。
感觉除了第一个,都是很现实的问题,聊起来没边,但是大概有哪些方便涉及到会有加
分?大家讨论讨论?(我直接copy原帖了,感谢发帖的牛人们)