【题目】
Given a linked list, remove the nth node from the end of list and return its head.
For example,
Given linked list: 1->2->3->4->5, and n = 2.
After removing the second node from the end, the linked list becomes 1->2->3->5.
Note:
Given n will ...
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其他好文 时间：
2014-05-18 18:48:03
阅读次数：
269
【题目】
Given a sorted array, remove the duplicates in place such that each element appear only once and return the new length.
Do not allocate extra space for another array, you must do this in place with constant memory.
For example,
Given input array A ...
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其他好文 时间：
2014-05-18 18:25:19
阅读次数：
272
【题目】
Given an array S of n integers, find three integers in S such that the sum is closest to a given number, target. Return the sum of the three integers. You may assume that each input would have exactly one solution.
For example, given array S = {...
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其他好文 时间：
2014-05-18 10:37:57
阅读次数：
269
【题目】
Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses.
For example, given n = 3, a solution set is:
"((()))", "(()())", "(())()", "()(())", "()()()"
【题意】
给定n对括号，输出所有可行的括号组合字符串。所谓合法，就是可以Valid Pare...
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其他好文 时间：
2014-05-18 09:06:41
阅读次数：
266
【题目】
Given a linked list, swap every two adjacent nodes and return its head.
For example,
Given 1->2->3->4, you should return the list as 2->1->4->3.
Your algorithm should use only constant space. You may not modify the values in the list, only nodes it...
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其他好文 时间：
2014-05-18 08:37:57
阅读次数：
370
【题目】
You are given a string, S, and a list of words, L, that are all of the same length. Find all starting indices of substring(s) in S that is a concatenation of each word in L exactly once and without any intervening characters.
For example, given:
S:...
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其他好文 时间：
2014-05-18 08:31:48
阅读次数：
228
/**=========================================**
| 异步延时加载js/css文件
| @example loadasync("http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js");
| @author liuensong@gmail.com
| @param stri...
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编程语言 时间：
2014-05-18 06:16:24
阅读次数：
299
题目:
Given an input string, reverse the string word by word.
For example,
Given s = "the sky is blue",
return "blue is sky the".
Clarification:
What constitutes a word?
A sequence of non-spa...
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其他好文 时间：
2014-05-18 04:12:07
阅读次数：
198
1、
??
Path Sum
Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum.
For example:
Given the below...
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其他好文 时间：
2014-05-18 03:25:06
阅读次数：
301
本栏目来源于Andrew NG老师讲解的Machine
Learning课程，主要介绍大规模机器学习以及其应用。包括随机梯度下降法、维批量梯度下降法、梯度下降法的收敛、在线学习、map
reduce以及应用实例：photo OCR。课程地址为：https://www.coursera.org/cou...
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移动开发 时间：
2014-05-18 00:36:57
阅读次数：
452
