How to Delete Columns to Make Sorted Table?

  • 时间：2020-10-11 15:48:46
  • 分类：网络文摘
  • 阅读：161 次
We are given an array A of N lowercase letter strings, all of the same length. Now, we may choose any set of deletion indices, and for each string, we delete all the characters in those indices. For example, if we have an array A = [“... ...

Algorithm to Count the Largest Group of Digit Sums

  • 时间：2020-10-11 15:48:46
  • 分类：网络文摘
  • 阅读：155 次
Given an integer n. Each number from 1 to n is grouped according to the sum of its digits. Return how many groups have the largest size. Example 1: Input: n = 13 Output: 4 Explanation: There are 9 groups in total, they are grouped accordin... ...

Algorithms to Group Words by Anagrams

  • 时间：2020-10-11 15:48:46
  • 分类：网络文摘
  • 阅读：147 次
Given an array of strings, group anagrams together. Example: Input: [“eat”, “tea”, “tan”, “ate”, “nat”, “bat”], Output: 1 2 3 4 5 [   ["ate",&... ...

Compute the Number Spiral Diagonals

  • 时间：2020-10-11 15:48:46
  • 分类：网络文摘
  • 阅读：167 次
Starting with the number 1 and moving to the right in a clockwise direction a 5 by 5 spiral is formed as follows: 21 22 23 24 25 20 7 8 9 10 19 6 1 2 11 18 5 4 3 12 17 16 15 14 13 It can be verified that the sum of the numbers... ...

Popular Websites You Didn’t Know Started as Blogs

  • 时间：2020-10-11 15:44:49
  • 分类：网络文摘
  • 阅读：200 次
Despite being one of the biggest industries to follow the birth of the internet, the word “blog” still has somewhat humble connotations. Perhaps it’s because it’s so ubiquitous with the “do-it-yourself” mentality of the web—who doesn’t know... ...

The Most Destructive Viruses of All Time

  • 时间：2020-10-11 15:44:49
  • 分类：网络文摘
  • 阅读：159 次
Computer viruses have existed for as long as we can remember. Well, almost. The first computer virus (externally released) is thought to be ‘Elk Cloner’. It is attributed to Rich Skrenta. It infected Apple DOS 3.3 computers and was spread v... ...

Why the Speed of Your Site Should Be a Priority

  • 时间：2020-10-11 15:44:49
  • 分类：网络文摘
  • 阅读：152 次
There are a lot of factors to take into consideration when choosing a Web host, including reliability, uptime guarantees, support, bandwidth, contract length, price, and more. However, something else you shouldn’t forget to take note of whe... ...

How Engaged Is Your Brand? [Infographic]

  • 时间：2020-10-11 15:44:49
  • 分类：网络文摘
  • 阅读：168 次
An infographic looking at engagement for brands. Via: Qumana Branding Team ... ...

Running Your Email Marketing: Dedicated Platform or Gmail-Based

  • 时间：2020-10-11 15:44:49
  • 分类：网络文摘
  • 阅读：155 次
E-mail marketing is a great way to turn your visitors into subscribers. If you rely on sales to sustain your business, then you need to run email campaigns on a regular basis. The best thing about e-mails is that they arrive at the inbox of... ...

3 Useful Free Online Courses for Bloggers You Should Consider Ta

  • 时间：2020-10-11 15:44:49
  • 分类：网络文摘
  • 阅读：156 次
I have a confession. Sometimes I miss the good old days when you blogged mainly about what you wanted to write about without Google, SEO, SMM, content marketing, etc. hanging over your head like Damocles’ sword. But then again, if you want ... ...