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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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#ifdef __cplusplus 
extern "C" { 
#endif 
//Ò»¶Î´úÂë 
#ifdef __cplusplus 

#endif 
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C/C++——С±à̸CÓïÑÔº¯ÊýÄÇЩÊÂ(10)

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initgraphº¯ÊýÊdzõʼ»¯Í¼ÐÎϵͳ£¬ÆäÓ÷¨Îª£ºvoid far initgraph(int far *graphdriver, int far *graphmode,char far *pathtodriver); ³ÌÐòÀý×ÓÈçÏ£ ......

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#ifdef __cplusplus
extern "C" {
#endif
/**** some declaration or so *****/
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#include <stdio.h>
#define CHARCOUNT 255
#define CON 6 /*µ¥ÐÐ×¢ÊÍ×îÉÙµÄʱºò*/
int realLength = 0;
/*
* function name: strCount
* function : count ......

C/C++——С±à̸CÓïÑÔº¯ÊýÄÇЩÊÂ(13)

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1.       mallocº¯Êý
mallocº¯ÊýµÄ¹¦ÄÜÊÇÄÚ´æ·ÖÅ亯Êý£¬ÆäÓ÷¨Îª£ºvoid *malloc(unsigned size);³ÌÐòʵÀýÈçÏ£º
#include <stdio.h>
#i ......
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