Yelp OA4

补充

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情请见二楼。。

刚做完。 地里面经很充分。
前面一堆基础题，有个帖子总结得很好，我附个答案不准勿拍。基本上看这些就足够了。

How many bytes in a 64 bits integer? 8
How many bits in octal? 8 octal 3
Biggest unsigned integer in Java? 2^32-1
Which to use in binary search? Sorted Array or Linked List. Sorted Array
What is the time complexity for binary search? log(n)
What is the time complexity to insert an element at head of a linked list? O(1)
SSL stands for? Security Sorted Layer a standard security technology for establishing an encrypted link between a server and a client;
How to map ip to server? DNS
What is the statement for remove a record in SQL? Delete
What is the result of inner join? intersection, union, or difference? intersection
What is your HTTP port number? What is the Protocol? TCP 80
What is the linux command line for searching a method in a source code?  grep
find . -name '*.cpp' | xargs grep XXX
What is the command to check if a host is online? ping

OA-4是anagram 给一组输入让判断是否是anagram。
Sample test case 是
aabbcc
ccaabb
true

祝大家好运

calvinq 发表于 2015-4-23 09:32
What is the result of inner join? intersection, union, or difference? intersection
想问问楼主这题.. ...

你说的那个应该是cartesian join吧。
inner join 应该是交集。
详情请见 http://stackoverflow.com/questions/38549/difference-between-inner-and-outer-joins

hesha0987 发表于 2015-4-30 10:05
请问是编程题
问的是给定字符是anagram？还是给定字符能否组成anagram？

给定一组str 问他们是不是anagram。

What is the result of inner join? intersection, union, or difference? intersection
想问问楼主这题..intersection 不是应该是cross join 么？

请问lz是啥时候毕业啊？今年年底？

那个SSL是Secured Socket Layer吧

hos1999 发表于 2015-4-24 00:22
那个SSL是Secured Socket Layer吧

对的。。

谢谢楼主～～

请问是编程题
问的是给定字符是anagram？还是给定字符能否组成anagram？