C语言100个经典的算法

printf(\50.\\n\while(again) {

printf(\number==>\scanf(\printf(\number is %d \\n\if(num>=50) again=TRUE; else

again=FALSE; } }

题目：宏#define命令练习(2)

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程序源代码： #include \#define exchange(a,b) { \\

/*宏定义中允许包含两道衣裳命令的情形，此时必须在最右边加上\ int t;\\ t=a;\\ a=b;\\ b=t;\\ }

void main(void) { int x=10; int y=20; printf(\y=%d\\n\exchange(x,y);

printf(\}

题目：宏#define命令练习(3)

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程序源代码： #define LAG > #define SMA < #define EQ ==

#include \void main() { int i=10; int j=20; if(i LAG j)

printf(\else if(i EQ j)

printf(\else if(i SMA j)

printf(\else

printf(\value.\\n\}

题目：#if #ifdef和#ifndef的综合应用。

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程序源代码： #include \#define MAX

#define MAXIMUM(x,y) (x>y)?x:y

#define MINIMUM(x,y) (x>y)?y:x void main() { int a=10,b=20; #ifdef MAX

printf(\%d\\n\

#else

printf(\%d\\n\#endif #ifndef MIN

printf(\%d\\n\#else

printf(\%d\\n\#endif #undef MAX #ifdef MAX printf(\

larger one is %d\\n\#else

printf(\%d\\n\#endif #define MIN #ifndef MIN printf(\