出题：一个长度为N的数组，其中的元素取值范围是1到N，要求快速判断数组是否存在重复数字；分析：解法1：如果N个元素的范围都是在1到N，所以如果没有重复元素，则每一个位置恰好可以对应数组中的一个元素之，通过将当前元素k交换到其本身应该在的位
置k，也就是k=array[i], array[array[...
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其他好文 时间：
2014-05-26 03:10:21
阅读次数：
191
题目:
Given an array S of n integers, are there elements a, b, c in S such that a + b + c =
0? Find all unique
triplets in the array which gives the sum of zero.
Note:
Elements...
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其他好文 时间：
2014-05-25 00:39:37
阅读次数：
343
【题目】
Find the contiguous subarray within an array (containing at least one number) which has the largest sum.
For example, given the array [?2,1,?3,4,?1,2,1,?5,4],
the contiguous subarray [4,?1,2,1] has the largest sum = 6.
【题意】
给定一个数组，找出和最大的子数组，返回...
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其他好文 时间：
2014-05-24 22:19:17
阅读次数：
260
【题目】
Given an array of non-negative integers, you are initially positioned at the first index of the array.
Each element in the array represents your maximum jump length at that position.
Determine if you are able to reach the last index.
For example:...
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其他好文 时间：
2014-05-24 20:44:39
阅读次数：
221
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 exact...
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其他好文 时间：
2014-05-24 20:43:37
阅读次数：
341
题目
Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, white and blue.
Here, we will use the i...
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其他好文 时间：
2014-05-24 20:30:21
阅读次数：
342
【题目】
Given an array of strings, return all groups of strings that are anagrams.
Note: All inputs will be in lower-case.
For example:
Input: ["tea","and","ate","eat","den"]
Output: ["tea","ate","eat"]
【题意】
anagrams指的是颠倒字母顺序构成的单词，以tea为例，则与它an...
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其他好文 时间：
2014-05-24 18:36:01
阅读次数：
317
/**
* Created by W.J.Chang on 2014/5/23.
*/
// 判读是否是数组的方法
console.log(Array.isArray(new Array));
console.log(Array.isArray([]));
var arr = [1,2,3];
// 遍历方法
arr.forEach(function (v){
console.log...
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Web程序 时间：
2014-05-24 18:01:08
阅读次数：
305
【题目】
Given an array of non-negative integers, you are initially positioned at the first index of the array.
Given a collection of intervals, merge all overlapping intervals.
For example,
Given [1,3],[2,6],[8,10],[15,18],
return [1,6],[8,10],[15,18].
...
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其他好文 时间：
2014-05-24 14:18:27
阅读次数：
193
