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#define NULL 0
#define LEN 10
#define OK printf("\n´Ë×éÊý¾ÝºÏ¸ñ¡£\n")
#define NO printf("\n´Ë×éÊý¾Ý²»ºÏ¸ñ£¡\n")
#define CN printf("\n%30c ΰ³É¹¤×÷ÊÒÈÙÓþ³öÆ· %c\n",17,16)
#include "stdlib.h"
#include "math.h"
static float min,ave;       
float *zwfloat(void)        
{
    float *array,value;
    int size,count;
    size=LEN;
    array=malloc((size+1)*sizeof(float));
    if (array==NULL) return NULL;
    count=0;
    while (scanf("%f",&value),value!=0)   
    {
     if(value<0) continue;
        count+=1;
        if (count>size)      
        {
            size+=LEN;
            array=realloc(array,(size+1)*sizeof(float));
            if (array==NULL) return NULL;
        }
        array[count]=value;
    }
    if (count<size)          
    {
        array=realloc(array,(count+1)*sizeof(float));
        if (array==NULL) return NULL;
    }
    array[0]=count;       
    return array;
}
float stdev(float const *p)  
{
    int i;
    float sm=0.0;
    ave=0.0;min=p[1];
    if (p==NULL) return 0;
    for


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Hidden Tricks (C)(091121)

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#include
 <stdio.h>
int
 main()
{
  int
 i = 0;
  int
 name[10] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}; ......

C/C++Èí¼þ¹¤³Ìʦ¾ÍÒµÇóÖ°ÊÖ²á½ÚÑ¡¶þ

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#include <stdio.h>
#define CONS(a,b) (int)(a##e##b)
#define STR(s) #s
int main()
{
   printf(STR(vck));
   printf("\n");
   printf("%d\n",CONS(2,3));
   return 0; ......

C/C++——С±à̸CÓïÑÔº¯ÊýÄÇЩÊÂ(14)

C³ÌÐòÊÇÓÉÒ»×é»òÊDZäÁ¿»òÊǺ¯ÊýµÄÍⲿ¶ÔÏó×é³ÉµÄ¡£ º¯ÊýÊÇÒ»¸ö×ÔÎÒ°üº¬µÄÍê³ÉÒ»¶¨Ïà¹Ø¹¦ÄܵÄÖ´ÐдúÂë¶Î¡£ÏÂÃæÐ¡±àºÍ´ó¼Ò·ÖÏíÏÂCÓïÑÔÖеĺ¯Êý¡£
 
1.       normvideoº¯Êý
 
mallocº¯ÊýµÄ¹¦ÄÜÊÇÑ¡ÔñÕý³£ÁÁ¶È×Ö·û£¬ÆäÓ÷¨Îª£ºvoid normvideo(void);³ÌÐòʵÀýÈçÏ£º
#include < ......
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