--------------------Configuration: Sdfsds - Win32 Debug--------------------
Compiling...
dfsdfasdfasdfsadfsad.c
Linking...
dfgdfgdfgd.obj : error LNK2005: _aver already defined in sdcsdf.obj
dfgdfgdfgd.obj : error LNK2005: _main already defined in sdcsdf.obj
dfsdfasdfasdfsadfsad.obj : error LNK2005: _aver already defined in sdcsdf.obj
dfsdfasdfasdfsadfsad.obj : error LNK2005: _main already defined in sdcsdf.obj
Debug/Sdfsds.exe : fatal error LNK1169: one or more multiply defined symbols found
Error executing link.exe.

Sdfsds.exe - 5 error(s), 0 warning(s)

这是啥意思啊？我看不懂，改不了

#include <stdio.h>
#include <math.h>
#define N 100
main()
{
    int a,b,d,i[N],j,n=0;
    double sum=0,ave,e,s;
   
scanf("%d",&a);
scanf("%d",&b);
    for (i[N]=a;i[N]<=b;i[N]++)
    {
        for(j=2;j<i[N];j++)
        {
            if(i[N]%j==0)
                break;
        }
        if(i[N]==j)
        {
            sum=sum+i[N];
            n++;
        }
    }
    ave=sum/n;
for(d=0;d<n;d++)
  e+=(i[d]-ave)*(i[d]-ave);
e/=n;
s=sqrt(e);


    printf("pingunshu: %.2f  fangcha: %.2f  biaochuncha: %.2f\n",ave,e,s);
   
}
这样改了还是不行呢，出的垃圾值，好像是算e和s的公式不起作用

#include <stdio.h>
#include <math.h>
#define N 100
main()
{
    int a,b,d,i[N],j,n=0;
    double sum=0,ave,e,s;
   
scanf("%d",&a);
scanf("%d",&b);
    for (i[N]=a;i[N]<=b;i[N]++)
    {
        for(j=2;j<i[N];j++)
        {
            if(i[N]%j==0)
                break;
        }
        if(i[N]==j)
        {
            sum=sum+i[N];
            n++;
        }
    }
    ave=sum/n;
for(d=0;d<n;d++)
  e+=(i[d]-ave)*(i[d]-ave);
e/=n;
s=sqrt(e);


    printf("pingunshu: %.2f  fangcha: %.2f  biaochuncha: %.2f\n",ave,e,s);
   
}
这样改了还是不行呢，出的垃圾值，好像是算e和s的公式不起作用

#include <stdio.h>
#include <math.h>
#define N 100
main()
{
    int a,b,d,i[N],j,n=0;
    double sum=0,ave,e=0,s,f;
   
scanf("%d",&a);
scanf("%d",&b);
    for (i[N]=a;i[N]<=b;i[N]++)
    {
        for(j=2;j<i[N];j++)
        {
            if(i[N]%j==0)
                break;
        }
        if(i[N]==j)
        {
            sum=sum+i[N];
            i[n]=i[N];
            printf("%d ",i[n]);//输出素数
            n++;
        }
    }
    printf("\n");
    ave=sum/n;
    for(d=0;d<n;d++)
       e+=(i[d]-ave)*(i[d]-ave);
       e/=n;
       s=sqrt(e);
       printf("pingjunzhi: %.2f  fangcha: %.2f  biaochuncha: %.2f\n",ave,e,s);
   
}
改了一些，你看看。

大哥！果然是高手！！！令i[n]=i[N].这样以后是不是下面计算方差和标准差的公式就生效了？我还有一个疑问，希望能够解答，老师要求我们要有求方差和标准差的两个函数，我这程序好像不符合他的要求呢

#include <stdio.h>
#include <math.h>
#define N 100
main()
{
    int a,b;
    double f,s;
    scanf("%d",&a);
    scanf("%d",&b);
    double qiufangcha(int c,int m);
    double biaozhuncha(int o,int p);
    f=qiufangcha(a,b);
    s=biaozhuncha(a,b);
       printf("fangcha: %.2lf  biaozhuncha: %.2lf\n",f,s);
   
}
double qiufangcha(int c,int m)
{
    int i[N],d,j,n=0;
    double e=0,sum=0,ave;
    for (i[N-1]=c;i[N-1]<=m;i[N-1]++)
    {
        for(j=2;j<i[N-1];j++)
        {
            if(i[N-1]%j==0)
                break;
        }
        if(i[N-1]==j)
        {
            sum=sum+i[N-1];
            i[n]=i[N-1];
            //printf("%d ",i[n]);//输出素数
            n++;
        }
    }
    printf("\n");
    ave=sum/n;
    printf("pingjunzhi: %.2lf  ",ave);
    for(d=0;d<n;d++)
       e+=(i[d]-ave)*(i[d]-ave);
       e/=n;
       return (e);

}

double  biaozhuncha(int o,int p)
{
    double g;
    g=qiufangcha(o,p);
    g=sqrt(g);
    return (g);
}  你看这个怎么样，你再调调