Detailed explanation of the relationship between virtual function table and virtual function pointer

Is the virtual function table a class? 1. The virtual function table belongs to a class, and all objects of the class share the virtual function table of this class. 2. The virtual function tables of different objects are the same (the first function address of the virtual function table is the same); 3. A pointer vptr pointing to the virtual f ...

Posted by varecha on Thu, 16 Dec 2021 21:43:27 +0100

Storage and shortest path problem of c + + graph

preface Graph theory has always been my biggest headache - 2021 / 9 / 4 Now I finally don't have a headache After grinding on dijkstra for a day, I finally realized him completely On graph theory Graph theory has always been the final topic in the competition, and it is also a difficult point In the popularity group, graph theory is ge ...

Posted by kkobashi on Thu, 16 Dec 2021 14:52:42 +0100

[PAT grade a review] topic review 1: the shortest path

1. Single source shortest path without negative weight edge - Dijkstra 1.1 adjacency matrix version: applicable to the case where V does not exceed 1000, complexity o( 2 V 2 2V^2 2V2). cons ...

Posted by KevinMG on Thu, 16 Dec 2021 09:39:38 +0100

Adding performance wings to Python algorithm -- pybind11 landing practice

1. BackgroundAt present, AI algorithm development, especially training, is basically based on python. Mainstream AI computing frameworks such as TensorFlow and PyTorch provide rich Python interfaces. As a saying goes, life is short. I use python. However, because Python is a dynamic language, it is difficult to directly meet the real-time Servi ...

Posted by galafura on Thu, 16 Dec 2021 07:12:12 +0100

Reverse order pair (merge sort + tree array)

Title Description TOM the cat and JERRY the mouse have been competing again recently, but they are adults after all. They don't like to play the game of chasing each other. Now they like to play statistics. Recently, TOM old cat found something called "reverse order pair" in human class. This thing is defined as follows: for a given ...

Posted by Bricktop on Wed, 15 Dec 2021 23:17:51 +0100

Tensorflow 2.4.0 on linux Compile and run the 1 - GPU C + + interface pb model

All error reports and Solutions cmake .. Error reporting set stay make error collection stay ./ your_demo process error collection 1. Segment error (core dumped) Cause: the program has cross-border access 1) Memory access out of bounds (array out of bounds) 2) Multithreading is unsafe 3) Stack overflow (using large local variab ...

Posted by freewholly on Wed, 15 Dec 2021 22:27:54 +0100

GB28181-2016 streaming media service based on wvp-gb28181-pro + zlmedia kit under windows

GB28181-2016 streaming media service based on wvp-gb28181-pro + zlmedia Kit 1. Open source projects used entry nameProject descriptionProject addresswvp-GB28181-proA network video platform based on GB28181-2016 standard supports NAT penetration and IPC, NVR and DVR access of Haikang, Dahua, Yushi and other brands. Support national standard ca ...

Posted by one on Wed, 15 Dec 2021 13:09:56 +0100

Sword finger offer(C++)-JZ35: copy of complex linked list (data structure linked list)

Author: Zhai Tianbao Steven Copyright notice: the copyright belongs to the author. For commercial reprint, please contact the author for authorization. For non-commercial reprint, please indicate the source Title Description: Enter a complex linked list (each node has a node value and two pointers, one pointing to the next node and the other ...

Posted by sgarcia on Wed, 15 Dec 2021 06:12:30 +0100

Problem solving report of 2021CCPC four northeast provinces

2021CCPC northeast four provinces competition A. Matrix General meaning You need to use [ 1 , n 2 ] [1, n^2] All numbers ...

Posted by vijayfreaks on Wed, 15 Dec 2021 05:30:50 +0100

Jilin University Chaoxing MOOC learning pass high level language programming C + + experiment 06 recursive programming (level 2021)

catalogue  1. Maximum common factor 2.Hermite polynomial 3. Ackerman function 4. Arrangement and combination 5. Maximum element 6. Array reverse order 7. Decimal conversion to arbitrary base 8. Sequential search  1. Maximum common factor Title No.: Exp06-Basic04 Title: maximum common factor Title Description: ...

Posted by shivam0101 on Wed, 15 Dec 2021 05:11:37 +0100