C

C Language -- sorts the content of a string in reverse orderProblem: output the content of a string in reverse order. # Include # include # include char * my_change (char * srt1, int k) {char * ret = srt1; char * start = srt1; char * end = srt1 +

Use of C header files Let our thoughts go back to the C language teacher on the podium and talk about our first C Language Program: Hello world!   File name First. c Main () { Printf ("Hello world !"); } Routine-1 Look at the above program, there is

Exchange two numbers (c)Exchange two numbers of contents. 1.1 create temporary variables (1) create variables and use # include int main () {int a = 10; int B = 20; int t; t = a; a = B; B = t; printf ("a = % d, B = % d \ n ", a, B); return 0 ;}( 2)

C language (simple game)-walk out of the maze 1 # include 2 // macro definition maze [ROWS] [COLS]; ROWS and columns; 3 # define ROWS 7 4 # define COLS 6 5 // draw a maze (global variable) 6 char maze [ROWS] [COLS] = {7 {'#','#','#','#','#','#'}, 8

C language initial contactThese days I have a preliminary understanding of the C language and read a lot of grammar knowledge. # Include int main () {printf ("hello world \ n"); return 0 ;}  This is my first simple program design. I believe most

Linux daemon and daemon I. Introduction In a linux or unix operating system, many services are enabled during system boot. These services are called daemon processes. The daemon is disconnected from the terminal and runs in the background: the

Functions that implement the same functions as strlen, strcpy, strcat, and strcmp: stringLength, stringCopy, stringCatch, stringCompare, strcpystrcat 1 # import 2 3/* 4 evaluate the string length 5 */6 int stringLength (char arr []); 7 8 9/* 10

Objective-C study note _ NSDate and NSDateFormatterI. How to Use NSDate? In iOS development, NSDate is used in many scenarios, such as computing the time displayed in a chat program (several minutes ago, several hours ago, several days ago

Queue implementation in C Language A queue is different from a stack. It is an FIFO queue, that is, an FIFO queue is required for element extraction in a FIFO queue. Queues can be implemented using arrays or linked lists, which is simple but useful

Data Structure-Key Path AOE for C language implementation // Key Path AOE // Yang Xin # include # Include # Include // Define the adjacent table typedef struct node {int adjvex; int w; struct node * nextedge;} edgenode; //

C language: customizes a function for searching strings, similar to strstr (), string. hstrstr in . // Customize a string to search for the standard library function strstr () # Include # Include Char * myStrstr (char * str1, char * str2 ); Int

Introduction to bit domains in C LanguageWhen storing some information, it does not need to occupy a full byte, but only needs to occupy a few or one binary bit. For example, when storing a switch value, there are only two States: 0 and 1. Use one

Objective-C object model and runtime MechanismContent list object model (structure definition, Class Object, Meta class and instance object relationship) message transmission and forwarding mechanism runtime system function understanding Object

Objective-C Object Model and Application This article mainly introduces the implementation details of the Objective-C object model and the support for isa swizzling and method swizzling in the Objective-C object model. I hope this article will help

Annotation conversion (c to c ++) // The process in input. c is as follows: Input. c /* Int I = 0 ;*/ /* Int y = 0; */int j = 0; /* Int x = 0;/* 12345678 */ /* Int h = 0; Int g = 0; Int j = 0; */Int q = 0; /**//**/ /********/ /// * 1234567890

Linear table-sequential Storage Structure and linear Storage Structure 1) Statement Newbie. If something is wrong, unreasonable, encoding style, and algorithm ideas need to be improved, please give me some advice. Ii) Introduction This article uses

OC tutorial 6-code block callbackOC6-code block callback This chapter describes the code block callback mode and analyzes the advantages and disadvantages of other callbacks and applicable scenarios. Code block mechanism Block Variable type

C language jump table (skiplist) implementation, skiplist I. Introduction The Skip table (skiplist) is an excellent data structure, which is easy to implement. The complexity of insertion, deletion, and search is O (logN ). The core data structure

Data Structure-sequential string storage in C Language // Indicates the sequential storage of C strings // indicates the heap distribution storage of strings // Yang Xin # include # Include # Include # Define MAXSTRLEN 255 #

Grouping Boats, using ingboats Description The Yangtze River Yacht Club has set up n yacht rental stations on the Yangtze River 1, 2 ,..., N. Visitors can rent a yacht at these yacht rental stations and return the yacht at any of the downstream