Originally, I installed an Ubuntu using Wubi on my company's laptop (Lenovo W520). One purpose is for fun, the other is to use some instant messengers...
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其他好文 时间:
2014-06-30 12:26:40
阅读次数:
326
Longest Common PrefixWrite a function to find the longest common prefix string amongst an array of strings.Solution:public class Solution { public ...
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其他好文 时间:
2014-06-30 12:18:25
阅读次数:
255
【题目】
Given a binary tree, return the postorder traversal of its nodes' values.
For example:
Given binary tree {1,#,2,3},
1
2
/
3
return [3,2,1].
Note: Recursive solution is trivial, could you do it iteratively?
【题意】
非递归实现后续遍...
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其他好文 时间:
2014-06-30 10:10:10
阅读次数:
177
【题目】
Given a binary tree, return the preorder traversal of its nodes' values.
For example:
Given binary tree {1,#,2,3},
1
2
/
3
return [1,2,3].
Note: Recursive solution is trivial, could you do it iteratively?
【题意】
非递归返回先序遍历...
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其他好文 时间:
2014-06-30 06:21:18
阅读次数:
334
【题目】
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 without using extra memory?
【题意】
给定一个整数以外,其中除了一个整数只出现一次以外...
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其他好文 时间:
2014-06-29 22:52:35
阅读次数:
246
题目
Given an unsorted array of integers, find the length of the longest consecutive elements sequence.
For example,
Given [100, 4, 200, 1, 3, 2],
The longest consecutive elements sequence...
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其他好文 时间:
2014-06-29 22:16:48
阅读次数:
239
【题目】
A linked list is given such that each node contains an additional random pointer which could point to any node in the list or null.
Return a deep copy of the list.
【题意】
给定一个链表,每个节点除了next指针外,还有一个random指针,指向任意的节点。
要求,复制这样的一个链表
【思路】
思路...
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其他好文 时间:
2014-06-29 20:41:21
阅读次数:
232
Given a stringS, find the longest palindromic substring inS. You may assume that the maximum length ofSis 1000, and there exists one unique longest pa...
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其他好文 时间:
2014-06-29 20:28:58
阅读次数:
183
def new # @foo = Foo.new @foos = Foo.find(:all,:conditions=>["project_id = #{@project.id}"]) @foolist = @foos.map do |f| { :id => f.id...
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其他好文 时间:
2014-06-29 20:19:48
阅读次数:
437
#include#includechar *find_char(char const *source_str, char const *desc_str);int main(void){ char *source_str = "ABCDEF"; char *desc_str = "MMD...
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其他好文 时间:
2014-06-29 19:32:34
阅读次数:
171