Common scoring method for 1073 multiple-choice questions (20 points) (pay attention to test point 4)
Correcting multiple-choice questions is a troublesome thing. There are many different scoring methods. One of the most common scoring methods is: if the examinee selects some correct options and does not select any wrong options, he will get a 50% score; If the candidate chooses any of the wrong options, he will not be able to score. Please wri ...
Added by vwinstead on Sun, 24 Oct 2021 20:53:51 +0300
Strongly connected component -- cut point (cut top)
catalog:
Introduction cut point
Cut point set
Cut point
realization
1. Violence
2.Tarjan
Introduction cut point:
Cut point set:
  ...
Added by hanhao on Sun, 24 Oct 2021 13:03:27 +0300
Use the tool software Clumsy and Process Explorer to locate the problem of high CPU consumption
catalogue
1. Problem description
2. Use Process Explorer to find out the cause of high CPU consumption
3. The problem is reproduced in the Intranet environment of the company using clussy tool
4. According to the function call stack in Process Explorer, the source code is analyzed and the problem is finally found
5. Summary
...
Added by faraco on Sun, 24 Oct 2021 05:31:53 +0300
Standard template library skillfully solves algorithm problem hash table
Introduction to hash table
Hash table, also known as hash table, uses O(n) spatial complexity to store data, and maps the location through hash function, so as to realize the insertion, search, deletion and other operations with approximate O(1) time complexity.
The hash set in C + + is unordered_set to find out whether the element is in the ...
Added by programguru on Sun, 24 Oct 2021 04:44:33 +0300
OSGB format parsing
This paper mainly introduces the analysis of OSGB binary data of tilt photography data. Firstly, it briefly introduces the relevant technologies of OpenSceneGraph, and introduces the organizational structure of tilt photography data, focusing on the analysis of relevant fields of OSGB format. Finally, it analyzes OSGB data byte by byte, visuali ...
Added by wwwapu on Sat, 23 Oct 2021 18:18:35 +0300
C + + Beginner Level - memory management
Introduction (Part C review)
Kernel space: It belongs to the category of operating system Stack: (down) The function call establishes the stack frame. The parameters and local variables in the function are all stored in the stack frame Heap: (up) Theoretically, the memory address of the latter malloc is larger than that of the first mal ...
Added by mebar3 on Sat, 23 Oct 2021 09:08:49 +0300
Summary of C Language String Operation Functions
1. strcpy function
Syntax: strcpy(str1,str2)
Function: Copy the string str2 to the string str1, and override the STR1 original string, which can be used to assign values to string variables.
Return: str1
Be careful:
(1). The string str2 will cover all the characters in str 1;
(2) The length of the string STR 2 cannot exceed str1;
(3) Cop ...
Added by chooseodie on Wed, 20 Oct 2021 19:09:07 +0300
[usOJ46544] volume Wang Fawei
subject
Portal to usOJ
Title Description There is one
O
U
Y
E
\sf OUYE
OUYE, he rolls every day, and finally one day he rolls himself into a daze, even
a
...
Added by forgun on Wed, 20 Oct 2021 02:49:15 +0300
Qt Creator for animation (single animation)
Project background: I mainly want to make an AGV dispatching simulation software. In the first stage, I will complete the movement of the trolley first. Therefore, we need to learn the animation effect of QT to lay a foundation for the whole software, The animation framework is composed of the base class QAbstractAnimation and its two derived ...
Added by whatever on Tue, 19 Oct 2021 21:35:41 +0300
OpenGL -- the second step is to draw a triangle
Before entering the topic, you need the following knowledge:
1. Graphics rendering pipeline
The graphics rendering pipeline can be divided into two main parts: the first part converts your 3D coordinates into 2D coordinates, and the second part converts 2D coordinates into actual colored pixels.
In OpenGL, ev ...
Added by satant on Tue, 19 Oct 2021 06:07:56 +0300