Simulation Algorithm to Compute the Number of Water Bottles

  • 时间：2020-10-11 15:17:18
  • 分类：网络文摘
  • 阅读：85 次
Given numBottles full water bottles, you can exchange numExchange empty water bottles for one full water bottle. The operation of drinking a full water bottle turns it into an empty bottle. Return the maximum number of water bottles you ca... ...

Remove the Temporary Files (including Windows.old) on Windows 10

  • 时间：2020-10-11 15:17:18
  • 分类：网络文摘
  • 阅读：108 次
Recently I found out on my C:\ there is a folder `windows.old` probably this is due to the fact that I refreshed my Windows 10 using a Recovery software from Microsoft. Can I safely delete Windows.old Folder? Yes, The `windows.old` contains... ...

Depth First Search Algorithm to Compute the Diameter of N-Ary Tr

  • 时间：2020-10-11 15:17:18
  • 分类：网络文摘
  • 阅读：87 次
Given a root of an N-ary tree, you need to compute the length of the diameter of the tree. The diameter of an N-ary tree is the length of the longest path between any two nodes in the tree. This path may or may not pass through the root. (... ...

Depth First Search Algorithm to Find the Strobogrammatic Number

  • 时间：2020-10-11 15:17:18
  • 分类：网络文摘
  • 阅读：105 次
A strobogrammatic number is a number that looks the same when rotated 180 degrees (looked at upside down). Find all strobogrammatic numbers that are of length = n. Example: Input: n = 2 Output: [“11″,”69″,”88&... ...

Algorithm to Shuffle String in Python3 According to Index

  • 时间：2020-10-11 15:17:18
  • 分类：网络文摘
  • 阅读：75 次
Given a string s and an integer array indices of the same length. The string s will be shuffled such that the character at the ith position moves to indices[i] in the shuffled string. Return the shuffled string. string-shuffle Example 1: I... ...

Using the OpenSSL command to Test the SSL Certificate

  • 时间：2020-10-11 15:17:18
  • 分类：网络文摘
  • 阅读：91 次
Usually, in the browser, by clicking the Lock icon, you can view the SSL certificate information. ssl-certification-path And, we can also run the `openssl` command to view the server ceritifcate (e.g. SSL chain) on command line. For example... ...

Javascript’s HashSet Implementation using Hash Map

  • 时间：2020-10-11 15:17:18
  • 分类：网络文摘
  • 阅读：86 次
Design a HashSet without using any built-in hash table libraries. To be specific, your design should include these functions: add(value): Insert a value into the HashSet. contains(value) : Return whether the value exists in the HashSet or ... ...

How to Remove Duplicate Elements from Vector in C++ using std::u

  • 时间：2020-10-11 15:17:18
  • 分类：网络文摘
  • 阅读：105 次
Removing duplicate elements and only keeping the unique items in an array (or vector, list) is easy. We can use std::unique method from STL. The std::unique (from algorithms header) has the following signature: 1 2 3 4 5 template<class... ...

Backing Up Your Data 101

  • 时间：2020-10-10 12:37:08
  • 分类：网络文摘
  • 阅读：110 次
As bloggers, we’re working with our computers throughout the day. In fact, you probably have most of your digital life saved on that machine sitting in your lap. It’s never been a great idea to only have one place to save your data, but if ... ...

Want More Followers? Try Facebook Notes

  • 时间：2020-10-10 12:37:08
  • 分类：网络文摘
  • 阅读：104 次
Are you having trouble attracting followers to your blog? Do you wish that you have a ready-made group of followers who already have some vested interest in what you have to say? If so, you should consider using Facebook Notes! Do you remem... ...