C

C language implement the exchange of two numbers using functions # Include # include int main () {int a, B; int change_num (int a, int B); // declare the change_num function printf ("please enter two numbers :"); scanf ("% d, % d", & a, & B);

C language: String Replacement space: implement a function to replace each space in the string with "% 20 ".From the past to the future: replace the original character based on the original one (of course, the premise is that there is sufficient

Use the C language to implement the half lookup Function # Include # include int binsearch (int x, int arr [], int left, int right) {while (left  

Find the first character that appears only once in the string. Typical C language examplesOriginal question requirement: Find the first character that appears only once in the string. If "abaccdeff" is input, 'B' is output '. Thinking process: there

C language: Compile strcpy FunctionsWhen interviewing programmers, the interviewers of many companies ask the candidates to write the library function strcpy (), which is called implementation. Many people think that this question is very simple,

Simple learning C -- the seventh day, the seventh day Function A function is an important part of C language. Any C language program you write now or later (if C is not changed) is composed of one function. Of course, now you may only write a small

C language: the content of the character array is: "student a am I", and the content is changed to "I am a student". Only a limited space can be opened. # Include void my_reverse (int len, char arr []) {int left = 0; int right = len-1; while (left

Small game with C language (2)-Scissors # Include void menu () {printf ("************** welcome to the stone scissors cloth game ************* \ n "); printf ("********************* 1. start> ********************* \ n "); printf ("******************

[C Language] implements a function int my_atoi (char s []) to convert a string to a corresponding integer. # Include int my_atoi (char s [5]) {int flag = 1; // in this case, int ret = 0; char * p = s; if (* p = '-') // if the first character is '-'

Conversion of uppercase/lowercase letters in C Language # Include int main () {int ch = 0; while (ch = getchar ())! = EOF)/* ctrl + z, is to read the input character to the ch word, until the end of the file (the full name of EOF is end of file,

Game in c-guess numbersProgram writing: use c to create a random number between 0 and, and follow the prompts to guess the correct number. # Include # include # include void menu () {printf ("\ n"); printf ("*********** 1. start the game *********

[C Language] evaluate the bitwise of two binary sequences 1. implementation of Modulo Division: # include int main () {int m, n, I, x, y, count = 0; printf ("Enter m, n :"); scanf_s ("% d", & m, & n); for (I = 31; I> = 0; I --) {x = m % 2; m = m/2;

IOS 7 apple native QR code scanning and iOS 7 Scanning In iOS 7, Apple launched a QR code scan. Previously, to scan a QR code, you can only use a third-party ZBar and ZXing. ZBar is superior to ZXing in terms of scanning sensitivity and memory usage,

Perform this search using C language # Include # include void find (int arr1 [], int key, int right) {int left = 0, mid; while (left arr1 [mid]) left = mid + 1; else right = mid-1;} if (left = right) printf ("\ n the number you are looking for

C Language Learning-array and language learning Array Array What is an array? Arrays can store multiple identical data types. Why use arrays? Programs often use data of the same type. For example, to process the Student Score information of a class,

">" And "&" operators in cIn c, the median operators include: And, Or, XOR, inversion, left shifting, and right shifting. bitwise operators are binary operators. The right shift operator is to move the binary digits of a number to the right n places,

Eratosthenes screening method, eratosthenes screening Write down all integers from 2 to a certain upper limit. In the remainder part of the algorithm, you traverse the entire list and remove all integers that are not prime numbers. Find the first

Simple plotting tool implemented by Opencv and opencv plotting tool The first time I wrote a blog, I was a newbie. I recently started learning Opencv and tried to write a simple drawing tool (currently I only wrote the line and eraser sections, and

C language: implement a function to determine whether year is a leap year. # Include /* determine whether a leap is a leap year: Four years, one year without renewal, and one year without renewal. A single four hundred-year renewal is also a

Basic operations on static sequence tables in c Language # Include // header file # ifndef _ SEQ_LIST _ # define _ SEQ_LIST __# define MIX_SIZE 5 typedef int DataType; typedef struct SeqList {DataType seqList [MIX_SIZE]; size_t size ;} seqList;