3 Boolean types and references

catalogue 1 boolean type 2 ternary operator 3 references 1 boolean type Boolean types in C + + C + + adds bool to the basic type system of C language The only acceptable values of bool in C + + are true and false bool takes only one byte be careful: True represents the true value, and the compiler uses 1 internally false represents ...

Posted by NJordan72 on Mon, 16 May 2022 18:58:21 +0300

Parser combiner for C + + meta programming

Absrtact: with the help of the constexpr capability of C + +, it is easy to construct parser combiner, which releases great potential for user-defined literal. ##Introduction Not long ago, I saw a Talk on CppCon: [constexpr all the things]( https://www.youtube.com/watch?v=PJwd4JLYJJY ), I was shocked by this speech technology. I parsed json str ...

Posted by Canadian on Mon, 16 May 2022 17:16:38 +0300

PAT_ Class A_ 1025_PAT Ranking

General idea of the topic There are N examination rooms, each with K candidates. Now give the admission number and score of candidates in each examination room. It is required to sort all candidates from high to low, and output the admission number, ranking, examination room number and ranking of all candidates in order. Algorithm idea This is ...

Posted by zszucs on Mon, 16 May 2022 06:27:59 +0300

Blue Bridge Cup 09th 2018 Provincial Competition C/C++ College Students Group B - Question 2 Clear Code

Test question 2 clear code The glyphs of Chinese characters exist in the font library, and even today, the 16-dot font library is still widely used. The 16-dot font library regards each Chinese character as 16x16 pixel information. And record this information in bytes. One byte can store 8 bits of information, and 32 bytes can store the glyph ...

Posted by misterph on Sun, 15 May 2022 06:56:43 +0300

Comments, instructions and variables in CMake syntax

Comments, instructions and variables in CMake syntax CMake commands have different types, including script commands, project configuration commands and test commands. For details, please check the official website** cmake-commands**. CMake language is organized into three source file types in project configuration: Directory: cmakelists Txt ...

Posted by MsShelle on Sun, 15 May 2022 04:03:36 +0300

[IT goose C/C + + Series Courses] pretty boy, I want to learn programming. Why tell me about the operating system?

Day01: Let's regain our love for our dream lover C and C + + [IT C/C + + Series Courses] Operating System Fundamentals Course A "shuangwen" programming tutorial of "against the sky" BILIBILI IT goose BILIBILI@IT goose Course introduction: [C/C + + Series Courses] Operating System Fundamentals Course This cours ...

Posted by PHPcoder25 on Sun, 15 May 2022 00:51:08 +0300

7-4 single queue multi window plus VIP service for bank queuing problem

Suppose the bank has K windows to provide services, a yellow line is set in front of the window, and all customers form a long line behind the yellow line according to the arrival time. When a window is free, the next customer goes to the window to deal with affairs. When there are multiple windows to choose from, it is assumed that the custome ...

Posted by ztkirby on Sun, 15 May 2022 00:39:37 +0300

Problem solution [LuoguP5607][Ynoi2013] unable to return to the sky NOI2017

Problem solving is unable to return to the sky NOI2017 Title Link Ask maximum xor ⁡ \operatorname{xor} xor and, support modification, think of the linear basis of the line segment tree set. But I can't do it again: I can't tag. Why can't ...

Posted by poisa on Sun, 15 May 2022 00:36:35 +0300

[AcWing algorithm improvement course] high order data structure tree array (C + + problem solution) (to be supplemented)

catalogue Function of tree array (1) Classic template of tree array (2) About memory templates Loulan Totem I can't prove math, but I can learn and use it. Do you know the pain of y always talking about proof for an hour Function of tree array Single point increase (time complexity is O (logN))Interval query prefix and (time complex ...

Posted by maliary on Sat, 14 May 2022 23:30:16 +0300

FFmpeg old video coding and new video flow

Call process of old video coding (1)API registration Only the interface of libavcodec part is used, so avcodec can be used when registering to use FFmpeg interface_ register_ All to register avcodec_register_all(); (2) Find encoder After the registration operation is completed, you first need to find the encoder you use. You can use the i ...

Posted by dannydefreak on Sat, 14 May 2022 13:06:19 +0300