How to Write More Readable Blog Posts

  • 时间：2020-10-11 15:56:14
  • 分类：网络文摘
  • 阅读：161 次
Editor’s note: This post was written by Cindy Boesel, an experienced writer working at BizStats.co.uk. She’s a great book lover with a huge interest in digital media and photography. If you’re running a blog, you probably realize ... ...

The Algorithm to Find Anagram Mappings between Two Arrays

  • 时间：2020-10-11 15:48:46
  • 分类：网络文摘
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Given two lists Aand B, and B is an anagram of A. B is an anagram of A means B is made by randomizing the order of the elements in A. We want to find an index mapping P, from A to B. A mapping P[i] = j means the ith element in A appears in... ...

The Unique Morse Code Words Algorithm

  • 时间：2020-10-11 15:48:46
  • 分类：网络文摘
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International Morse Code defines a standard encoding where each letter is mapped to a series of dots and dashes, as follows: “a” maps to “.-“, “b” maps to “-…”, “c” maps to ... ...

How to Clone a Graph in C++/Java using Depth First Search Algori

  • 时间：2020-10-11 15:48:46
  • 分类：网络文摘
  • 阅读：143 次
Given a reference of a node in a connected undirected graph, return a deep copy (clone) of the graph. Each node in the graph contains a val (int) and a list (List[Node]) of its neighbors. clone-graph-algorithm Input: {"$id":"1","neighbors"... ...

The Image Flood Fill Algorithm (C++)

  • 时间：2020-10-11 15:48:46
  • 分类：网络文摘
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An image is represented by a 2-D array of integers, each integer representing the pixel value of the image (from 0 to 65535). Given a coordinate (sr, sc) representing the starting pixel (row and column) of the flood fill, and a pixel value... ...

How to Find Pivot Index of Array?

  • 时间：2020-10-11 15:48:46
  • 分类：网络文摘
  • 阅读：143 次
Given an array of integers nums, write a method that returns the “pivot” index of this array. We define the pivot index as the index where the sum of the numbers to the left of the index is equal to the sum of the numbers to th... ...

How to Check If a Integer is a Strobogrammatic Number?

  • 时间：2020-10-11 15:48:46
  • 分类：网络文摘
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A strobogrammatic number is a number that looks the same when rotated 180 degrees (looked at upside down). Write a function to determine if a number is strobogrammatic. The number is represented as a string. Example 1: Input: “69R... ...

How to Delete Columns to Make Sorted Table?

  • 时间：2020-10-11 15:48:46
  • 分类：网络文摘
  • 阅读：139 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：136 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：127 次
Given an array of strings, group anagrams together. Example: Input: [“eat”, “tea”, “tan”, “ate”, “nat”, “bat”], Output: 1 2 3 4 5 [   ["ate",&... ...