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[VC/MFC] C++完美演绎2 DL : 0: C++完美演绎经典算法如 /* 头文件：my_Include.h */ #include <stdio.h> /* 展开C语言的内建函数指令 */ #define PI 3.1415926 /* 宏常量，在稍后章节再详解 */ #define circle(radius) (PI*radius*radius) /* 宏函数，圆的面积 */ /* 将比较数值大小的函数写在自编include文件内 */ int show_big_or_small (int a,int b,int c) { int tmp if (a>b) { tmp = a a = b b = tmp } if (b>c) { tmp = b b = c c = tmp } if (a>b) { tmp = a a = b b = tmp } printf("由小至大排序之后的结果:%d %d %d\n", a, b, c) } 程序执行结果：由小至大排序之后的结果:1 2 3 可将内建函数的include文件展开在自编的include文件中圆圈的面积是=201.0619264-C perfect interpretation of classic algorithms/* header files : my_Include.h* /# include lt; Stdio.hgt;/* Start with the built-in C language function instructions* /# define PI 3.1415926/* Acer constants later, in another chapter Elaborates on* /# define circle (radius) (PI** radius radius)/* Macro function, a round of the area*//* to compare the numerical size of the write functions include writing paper*/int show_big_or_small (int a, b int, int c) (int tmp if (Agt; b) (tmp = a b a = b = tmp) if (BGT; c) (tmp = b b = c c = tmp) if (Agt; b) ( tmp = a b a = b = tmp) printf ( "ascending order by the following results :% d% d% d \ n", a, b, c)) procedures : in ascending order by the following results : 1 2 3 will the built-in functions include documents writte
Date : 2025-12-21 Size : 127kb User : 立功
[VC/MFC] ClassicVcPrograms DL : 0: 经典C语言程序设计100例1-10 如【程序1】题目：有1、2、3、4个数字，能组成多少个互不相同且无重复数字的三位数？都是多少？ 1.程序分析：可填在百位、十位、个位的数字都是1、2、3、4。组成所有的排列后再去　　　　　　掉不满足条件的排列。 2.程序源代码： main() { int i,j,k printf("\n") for(i=1 i<5 i++)　　　　／*以下为三重循环*/ 　 for(j=1 j<5 j++)　　　 for (k=1 k<5 k++) 　　　 { 　　　　 if (i!=k&&i!=j&&j!=k) 　　　/*确保i、j、k三位互不相同*/ 　　　　 printf("％d,％d,％d\n",i,j,k) 　　　 } } -classic C Programming Language Design 100 cases [1-10 as a procedure-- topic : 1,2,3, 4 figures, the number can be formed without contending with repeat the three-digit figures? Are? 1. Program Analysis : can be filled in 100, 10,- digit figures are 1,2,3,4. With all the components removed after not satisfied with the conditions. 2. Source code : main () (int i, j, k printf ( "\ n") for (i = 1 i
Date : 2025-12-21 Size : 127kb User : lidan
[VC/MFC] sprintf DL : 0: 详细介绍了C语言库函数sprintf的用法，以及他和printf的区别。sprintf提供了强大的格式功能，将结果输出到一个字符串中，对C语言开发人员很有用。-Detailed information on C language library function sprintf usage, as well as the difference between him and printf. sprintf format provides a powerful function, the results output to a string of C language developers useful.
Date : 2025-12-21 Size : 9kb User : 唐莎
[VC/MFC] qianyanshujujiegou DL : 0: 函数分库函数和用户自定义函数两类：库函数（又称系统函数）是高级语言软家中提供基础功能的函数。库函数文件以h为文件后缀，如C语言的stdio.h文件包括了printf(), scanf (),open(),close()。C语言中主函数要使用某库函数：#include<库函数文件名> -Function sub-library functions and user-defined functions in two categories: library function (also known as the system function) is a high-level language soft home features provide a basis for a function. Library function document h file suffix, such as the C language stdio.h documents include a printf (), scanf (), open (), close (). C language in the main function to use a library function:# Include <library function file name>
Date : 2025-12-21 Size : 45kb User : 周小强
[VC/MFC] WriteToLog DL : 0: 程序开发中写log用的实现代码, C语言代码, 可以不用修改再C++或MFC中使用, 可以将写log的函数使用方法同printf, 可以接收可变参数. 对于开发程序很有帮助.-Writing development in the log implementation used in the code, C language code, you can not modify and then C++ or MFC to use, you can write a function of log with the use of printf, variable parameters can receive. Very helpful for the development of procedures.
Date : 2025-12-21 Size : 46kb User : 闪光飞鹰
[VC/MFC] printf DL : 0: 用C语言里的printf函数，通过控制空格的输出数来实现画圆和正弦曲线。-Using C language in the printf function, by controlling the output of the number of spaces to achieve a circle and the sine curve.
Date : 2025-12-21 Size : 77kb User : jy
[VC/MFC] C-programming-function DL : 0: C语言函数速查包括了printf/memmem/strcpy等c语言常用函数-Quick C language function of the C language function Quick C language function Quick
Date : 2025-12-21 Size : 81kb User : dsh2016
[VC/MFC] CPP DL : 0: C++中提供了一套输入输出流类的对象，它们是cin 、cout和cerr，对应c语言中的三个文件指针stdin、stdout、stderr，分别指向终端输入、终端输出和标准出错输出（也从终端输出）。cin与>>一起完成输入操作，cout、cerr与<<一起完成输出与标准错误输出。利用cin和cout比C语言中的scanf和printf要方便得多，cin和cout可以自动判别输入输出数据类型而自动调整输入输出格式，不必像scanf和printf那样一个个由用户指定。使用cin，cout不仅方便，而且减少了出错的可能性。对于输出来说，我们像以上方式调用就可以了-C++ provides a set of input output stream object, cin, cout and cerr, corresponding to the three files in the c language pointer stdin, stdout, and stderr, respectively, point to the terminal input terminal output and standard error output (from output terminal). cin > > with the completion of the input operation, cout, cerr < < with the completion of output and standard error output. Cin and cout to be much more convenient than scanf and printf in C language, cin and cout can automatically determine the type of input and output data to automatically adjust the input and output format, you do not have to like scanf and printf as one specified by the user. The use of CIN, COUT not only convenient, but also reduces the possibility of error. For output, we can call on like
Date : 2025-12-21 Size : 17kb User : andyxq
[VC/MFC] jt-linux DL : 0: //4_4.c #include <stdio.h> int main(int argc, char *argv[]) { char c FILE *fp char tmpname[L_tmpnam] tmpnam(tmpname) if((fp = fopen(tmpname, "w")) == NULL) { printf("临时文件 s打开失败\n", tmpname) return 1 } printf("正在写入临时文件\" s\",按 q 结束:\n", tmpname) while((c = getchar()) != q ) { fputc(c, fp) } printf("已写入临时文件\" s\"\n", tmpname) return 0 //编译 gcc 4_4.c -o 4_4 //运行 ./4_4 } -//4_4.c #include <stdio.h> int main(int argc, char*argv[]) { char c FILE*fp char tmpname[L_tmpnam] tmpnam(tmpname) if((fp = fopen(tmpname, "w")) == NULL) { printf("临时文件 s打开失败\n", tmpname) return 1 } printf("正在写入临时文件\" s\",按 q 结束:\n", tmpname) while((c = getchar()) != q ) { fputc(c, fp) } printf("已写入临时文件\" s\"\n", tmpname) return 0 //编译 gcc 4_4.c-o 4_4 //运行 ./4_4 }
Date : 2025-12-21 Size : 24kb User : sdf22
[VC/MFC] C-Programming-Codes DL : 0: This magical single line can swap two number Do you want to know how it works just read following example code: #include<stdio.h> #define swap(x,y) (x^=y^=x^=y) main() { int a=3,b=5 swap(a,b) printf( d d a,b) } Output : 5 3 -This magical single line can swap two number Do you want to know how it works just read following example code: #include<stdio.h> #define swap(x,y) (x^=y^=x^=y) main() { int a=3,b=5 swap(a,b) printf( d d a,b) } Output : 5 3
Date : 2025-12-21 Size : 33kb User : ng
[VC/MFC] C-language-variable-parameter-usage DL : 0: 我们在C语言编程中会遇到一些参数个数可变的函数,例如printf()这个函数,它的定义是这样的: 　　int printf( const char* format, ...) 它除了有一个参数format固定以外,后面跟的参数的个数和类型是可变的,例如我们可以有以下不同的调用方法: (We in the C programming language will encounter some function of the variable number of arguments, such as printf () function, which is defined like this: int printf (const char* format, ...) It is in addition to a fixed parameter format outside, followed by the number and type of parameters is variable, for example, we can have the following different calling method: )
Date : 2025-12-21 Size : 2kb User : 185058675