(http://leetcode.com/2010/11/convert-sorted-list-to-balanced-binary.html)Given a singly linked list where elements are sorted in ascending order, conv...
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其他好文 时间：
2015-01-18 22:18:49
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202
问题描述：
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：
2015-01-18 21:09:04
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140
Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST.思路：题目看上去好像很难，但实际上很简单，递归做就行，每次找到左右子树对应的子链表...
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其他好文 时间：
2015-01-18 21:03:17
阅读次数：
241
Simple
calculations
The Problem
There is a sequence of n+2 elements a0, a1,…, an+1 (n i 1000). It is known that ai = (ai–1 + ai+1)/2 – ci for
each i=1, 2, ..., n. You are given a0, ...
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其他好文 时间：
2015-01-18 18:37:25
阅读次数：
252
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:
Elements in...
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编程语言 时间：
2015-01-17 13:59:19
阅读次数：
171
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 in a triplet (a,b,c) mu...
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编程语言 时间：
2015-01-17 10:02:22
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232
题目:Given an array and a value, remove all instances of that value in place and return the new length.The order of elements can be changed. It doesn't ...
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编程语言 时间：
2015-01-16 22:14:22
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257
Given an unsorted array, find the maximum difference between the successive elements in its sorted form.Try to solve it in linear time/space.Return 0 ...
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其他好文 时间：
2015-01-16 18:48:24
阅读次数：
139
题目：Given an array where elements are sorted in ascending order, convert it to a height balanced
BST.
思路：给出一个排序的数组，如何构造一个平衡二叉查找树？平衡二叉查找树要求任一结点的左右子树的高度差不能超过一，也叫做高度平衡树。如果让我们从一个排序数组中选取一个元素做树的根，我们会选择哪一个...
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编程语言 时间：
2015-01-16 16:51:25
阅读次数：
237
Given a collection of integers that might contain duplicates,S, return all possible subsets.Note:Elements in a subset must be in non-descending order....
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其他好文 时间：
2015-01-16 01:05:01
阅读次数：
188
