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(...
分类:
其他好文 时间:
2014-07-19 19:05:27
阅读次数:
174
Given preorder and inorder traversal of a tree, construct the binary tree.Note:You may assume that duplicates do not exist in the tree.类似http://www.cn...
分类:
其他好文 时间:
2014-07-19 18:19:06
阅读次数:
243
Implementint sqrt(int x).Compute and return the square root ofx.题解:二分的方法,从0,1,2.....x搜索sqrt(x)的值。代码如下: 1 public class Solution { 2 public int sqrt...
分类:
其他好文 时间:
2014-07-19 17:37:22
阅读次数:
196
Given a strings, partitionssuch that every substring of the partition is a palindrome.Return all possible palindrome partitioning ofs.For example, giv...
分类:
其他好文 时间:
2014-07-19 14:20:14
阅读次数:
178
Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations:getandset.get(key)- Get the valu...
分类:
其他好文 时间:
2014-07-19 12:13:13
阅读次数:
254
有一些时候,一些方便用户做的设计,往往会降低产品本身的安全性。
安全性与易用性,是一道产品设计者需要仔细思考的题。
==========================================================================================================
好了,切入正题。最近在练题,或者说刷题,发现自己不知道的...
分类:
其他好文 时间:
2014-07-19 08:21:48
阅读次数:
255
Given a binary tree, flatten it to a linked list in-place.For example,Given 1 / \ 2 5 / \ \ 3 4 6The flattened t...
分类:
其他好文 时间:
2014-07-19 00:24:36
阅读次数:
170
Given a binary tree containing digits from0-9only, each root-to-leaf path could represent a number.An example is the root-to-leaf path1->2->3which rep...
分类:
其他好文 时间:
2014-07-18 20:09:38
阅读次数:
433
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.Fo...
分类:
其他好文 时间:
2014-07-18 18:28:44
阅读次数:
231
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 ...
分类:
其他好文 时间:
2014-07-18 18:17:46
阅读次数:
290