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大数据安全之Hadoop生态圈背后不可忽视的隐藏“凶险”

伴随互联网的高速发展,大数据成为炙手可热的时髦产物。随之而来的是关于大数据的存储与计算问题。作为能够对大量数据进行分布式处理的软件框架——Hadoop目前已经发展成为分析大数据的领先平台,它能够以一种可靠、高效、可伸缩的方式进行数据处理。

大数据 安全 服务器 hdfs hadoop 加密 数据处理 数据仓库 集群 解决方案 身份认证 Mapreduce 存储 安全问道

leetcode 205 Isomorphic Strings

Given two strings s and t, determine if they are isomorphic. Two strings are isomorphic if the characters in s can be replaced to get t.

http 解决方案 string Blog

leetcode 198 House Robber

今天看了一个华为西安研究院的一个女生代码大神的总结很有感悟,下面这句话送给大家: 只有好的程序员才能写出人类可以理解的代码 You are a professional robber planning to rob houses along a street.

程序员 解决方案 class list

leetcode 189 Rotate Array

Rotate an array of n elements to the right by k steps. For example, with n = 7 and k = 3, the array [1,2,3,4,5,6,7] is rotated to [5,6,7,1,2,3,4].

解决方案 void list

leetcode 172 Factorial Trailing Zeroes

Given an integer n, return the number of trailing zeroes in n!. Note: Your solution should be in logarithmic time complexity. 解决思路: 决定阶乘末尾零的个数其实是数列中5出现的次数,比如5的阶乘一个零。

python 解决方案 class

leetcode 19 Remove Nth Node From End of List

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.

node 解决方案 class fast list

leetcode 169 Majority Element 冰山查询

Given an array of size n, find the majority element. The majority element is the element that appears more than ⌊ n/2 ⌋ times.

算法 Algorithm 解决方案 数组

leetcode 165 Compare Version Numbers

Compare two version numbers version1 and version2. If version1 > version2 return 1, if version1 < version2 return -1, otherwise return 0.

code 解决方案 string class

leetcode 160 Intersection of Two Linked Lists

Write a program to find the node at which the intersection of two singly linked lists begins.

code node 解决方案 class list

leetcode 155 Min Stack

Design a stack that supports push, pop, top, and retrieving the minimum element in constant time.

python 解决方案 class void list IT

leetcode 6 ZigZag Conversion

The string “PAYPALISHIRING” is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a ...

code 解决方案 string index pattern

leetcode 7 Reverse Integer

Reverse digits of an integer. Example1: x = 123, return 321 Example2: x = -123, return -321 click to show spoilers.

解决方案 update

leetcode 104 Maximum Depth of Binary Tree二叉树求深度

Maximum Depth of Binary Tree Total Accepted: 63668 Total Submissions: 141121 My Submissions Question Solution Given a binary tree, find its maximum depth.

node 解决方案 class

leetcode 83 Remove Duplicates from Sorted List

Given a sorted linked list, delete all duplicates such that each element appear only once.

c++ 内存泄漏 node 解决方案 class list

leetcode 21 Merge Two Sorted Lists

  Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists.

python c++ 解决方案 class list

leetcode 226 Invert Binary Tree 翻转二叉树

大牛没有能做出来的题,我们要好好做一做     Invert a binary tree. 4 / \ 2 7 / \ / \ 1 3 6 9 to 4 / \ 7 2 / \ / \ 9...

python node 解决方案 google

leetcode 8 String to Integer (atoi)

String to Integer (atoi)Total Accepted:52232 Total Submissions:401038 My Submissions Implement atoi to convert a string to an integer.

python 解决方案 string class IT input

leetcode 27 Remove Element

 Remove Element Total Accepted: 60351 Total Submissions: 187833 My Submissions                       Given an array and a valu...

c++ 解决方案 class

leetcode 88 Merge Sorted Array

    Given two sorted integer arrays nums1 and nums2, merge nums2 intonums1 as one sorted array.

python 解决方案 class void list

leetcode 26 Remove Duplicates from Sorted Array

Remove Duplicates from Sorted ArrayTotal Accepted: 66627 Total Submissions: 212739 My Submissions                       Given a ...

算法 解决方案 class IT

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