AnagramsGiven an array of strings, return all groups of strings that are anagrams.Note: All inputs will be in lower-case.思路：建Hashtable，用排序过的string作为ke...
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其他好文 时间：
2014-11-01 19:00:04
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230
http://www.server-world.info/en/note?os=Ubuntu_14.04&p=openstack_icehouse&f=16
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其他好文 时间：
2014-11-01 06:24:35
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283
Given an arraySofnintegers, are there elementsa,b,cinSsuch thata+b+c= 0? Find all unique triplets in the array which gives the sum of zero.Note:Elemen...
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2014-11-01 06:12:01
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214
A n * m grid as follow:
Count the number of triangles, three of whose vertice must be grid-points.
Note that the three vertice of the triangle must not be in a line(the right picture is not a...
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其他好文 时间：
2014-10-31 22:20:02
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264
Anagrams
Given an array of strings, return all groups of strings that are anagrams.
Note: All inputs will be in lower-case.
public class Solution {
public List anagrams(Str...
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其他好文 时间：
2014-10-31 19:07:14
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147
【题目】
Given an array S of n integers, are there elements a, b, c, and d in S such that a + b + c + d =
target? Find all unique quadruplets in the array which gives the sum of target.
Note:
...
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其他好文 时间：
2014-10-31 12:02:18
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261
Follow up for problem "Populating Next Right Pointers in Each Node".
What if the given tree could be any binary tree? Would your previous solution still work?
Note:
You may only use constant extr...
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其他好文 时间：
2014-10-31 10:10:30
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202
Given an indexk, return thekthrow of the Pascal's triangle.For example, givenk= 3,Return[1,3,3,1].Note:Could you optimize your algorithm to use onlyO(...
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2014-10-31 08:47:11
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158
Version 11.1 Actions As SYS Note:USERENV is an Oracle provided namespace ...
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数据库 时间：
2014-10-30 22:11:52
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381
问题描述：
Given an array of integers, every element appears three times except for one. Find that single one.
Note:
Your algorithm should have a linear runtime complexity. Could you implement it ...
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其他好文 时间：
2014-10-30 11:52:50
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256
