Leetcode question bank: application of dynamic programming in stone guessing game (Python language)
dynamic programming
There are a lot of tutorials and concepts on the Internet. The premise of reading this article is that you have a preliminary understanding of dynamic planning.
To sum up, dynamic planning has four steps:
Define the status.
Find the state transition equation
State compression (if possible)
Get results
Stone guessing ga ...
Posted by xeross on Sun, 01 May 2022 15:41:16 +0300
Use the Native Debug extension of VSCode to debug the integrity library
VSCode has an extension called Native Debug, which is very convenient for program debugging. This paper describes how to use this extension, taking C/C + + as an example.
The running environment is Win10 and the compiler is mingw gcc 9.2.0, which needs to be installed in advance.
I. install Native Debug
Search for native in the VSCode exte ...
Posted by BizLab on Sun, 01 May 2022 13:01:47 +0300
Application of trap function name of Python function f-string iterator
1, Trap of function
1. Trap of default parameters
The default parameter for is a variable data type. No matter how many times you call this default parameter, what you call is the data under the agreed address.
The default parameter for is a variable data type. No matter how many times you call this default parameter, what you call is the da ...
Posted by dinku33 on Sun, 01 May 2022 12:46:34 +0300
JavaScript learning summary
preface
Recently, I have been using JavaScript for front-end and back-end development (the back-end uses the Express framework), which is a very interesting programming language. Discovery during exploration MDN document (can choose Chinese) is a good learning material, so start reading and make a simple summary. At the end of the article, som ...
Posted by wwfc_barmy_army on Sun, 01 May 2022 09:06:59 +0300
Java Object Oriented Programming -- an introduction to Annotation
Annotation is jdk1 A new development technology structure proposed after 5. Using annotation can effectively reduce the code of program configuration and carry out some structured definitions. In fact, it is a program development in the form of annotation.
In the past, our program development was divided into three processes:
Process 1: when ...
Posted by simshaun on Sun, 01 May 2022 07:58:40 +0300
How is Quill's Delta designed
quilljs/delta
Delta
Deltas is a simple and expressive format that can be used to describe Quill's content and changes. This format is essentially JSON, which is human readable and easy to be parsed by machines. Deltas can describe any Quill document, including all text and format information, without the ambiguity and complexity of HTML.
Don ...
Posted by Xyn1407 on Thu, 28 Apr 2022 14:25:41 +0300
How does a Switch in Java support strings? Why not support long?
We know that Java Switch supports byte, short and int types, enumeration types in JDK 1.5 and String types in JDK 1.7. So why can't it support long type? Obviously, it is numeric like byte, short and int. how does it support String type?
1, Conclusion
Don't talk about it, let's draw a conclusion first:
The bottom layer of switch uses int typ ...
Posted by sbunse on Mon, 25 Apr 2022 23:35:29 +0300
Python3.9 study notes (Muyu ★)
although I started a little late, I finally began to learn Python. As my learning notes, this series of articles is mainly for my own review of the old and new, and also for sharing with you who are interested. As the third article of this note, this article mainly involves the syntax related to lists.
This article mainly involv ...
Posted by khovorka on Mon, 25 Apr 2022 17:33:36 +0300
Pat 2020 spring March preparation_ Brush the real questions according to the set of volumes (1-2)
Title stem: 1153 Decode Registration Card of PAT (25 points)
Problem solution: I got 19 points for my own problem solution. The last two points timed out. Even if I used unordered mapping, I didn't solve it... But for people at my level, I am very satisfied.This problem can be said to be a very classic one. This problem uses many operations of ...
Posted by deejay on Sun, 24 Apr 2022 18:09:21 +0300
Design mode - on observer mode
Introduction to observer mode
Observer pattern is the most commonly used design pattern in design patterns. It is often used in one to many software design scenarios. A popular example is the relationship between a newspaper and its subscribers. Anyone who needs a newspaper only needs to subscribe to the newspaper, and the newspaper office wil ...
Posted by ashrust on Thu, 21 Apr 2022 01:12:48 +0300