## Data structure day 8 - two dimensional array and matrix multiplication, and transpose of compressed matrix

The first is matrix multiplication #include<stdio.h> #include<stdlib.h> /** *Dynamic two-dimensional array */ typedef struct TwoDArray{ int rows; int columns; int **elements; } TwoDArray, *TwoDArrayPtr; /** *Static two-dimensional array */ typedef struct TwoDStaticArray{ int rows; int columns; int elements[4][5]; } ...

Posted by g00bster on Thu, 19 May 2022 00:09:30 +0300

## 22 array pointer and pointer array

catalogue problem 1 array type 2. Define array type 3 array pointer 4 pointer array problem Are the following statements legal? int array[5]; int matrix[3][3]; int* pa = array; int* pm = matrix; Array represents the address of the first element of the array. What does matrix represent? The address values of array and & array are t ...

Posted by Toby on Tue, 17 May 2022 11:21:24 +0300

## A simple way to realize ai in man-machine combat with gobang game in c language

A simple way to realize ai in man-machine combat with gobang game in c language Idea: First, select the color of the computer's chess pieces in the main function and call different functions. When it's the computer's turn, the basic idea is to traverse every empty space on the chessboard, calculate the value one by one, find the position with ...

Posted by jdc44 on Tue, 17 May 2022 10:34:32 +0300

## String reverse order - multiple methods

Reverse the order of strings, taking the string abcdef as an example 1. With additional arrays #include <stdio.h> #include <string.h> int main() { char str[] = "abcdef"; //Find the size of the string, including '\ 0' int sz = strlen(str) + 1; //Dynamic memory allocation, apply for a character array of sz size ...

Posted by zechdc on Tue, 17 May 2022 03:07:02 +0300

## Simple point - c-Lesson5 (structure, branch statement (if, switch), difference between p and * p)

1. Structure (1) A structure definition is a collection that describes different data types or the same data type. (complex type) (2) Access structure: pointer access structure (- >); Variable name access structure (.) (3) The difference between p and * p depends on whether it is a left value or a right value. #if 1 #include < ...

Posted by heminfotech on Mon, 16 May 2022 23:33:28 +0300

## UNIX Advanced Environment Programming Learning Notes 6_ Process Control

1. Function fork Function prototype: #include<unistd.h> pid_t fork(void); The fork function creates a subprocess and returns it twice. Child process ID and 0, respectively. It is equivalent to copying the same process and executing it at the point where fork is called while the program is running. It has two main purposes: 1. Parent a ...

Posted by hoopplaya4 on Sun, 15 May 2022 22:01:01 +0300

## The most complete and detailed explanation of three chess

If you want to write the sanbang code, you must have a start-to-finish idea: First of all we have three files game.h - declaration of the function game.c - function implementation test.c - test game Create a menu (menu()) //menu selection interface void menu() { printf("*****************\n"); printf("**** 1.play ****\n"); pr ...

Posted by commandonz on Sun, 15 May 2022 01:31:55 +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

## 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

## STM32CubeMX series | I2C bus

I2C bus 1 Introduction 1.1 Introduction to I2C bus The I2C (Inter-Integrated Circuit) bus is a two-wire serial bus developed by PHILIPS, which is used to connect microcontrollers and their peripheral devices. It is a serial bus composed of data line SDA and clock line SCL, which can send and receive data. Two-way transmission is performed be ...

Posted by lanbor on Sat, 14 May 2022 12:49:37 +0300