程序代码：

#include<stdio.h>
#include<stdlib.h>

int main()
{
    int m=0,n=0,p=0,i=0;
    int k;
    FILE *fp;
   
    if((fp=fopen("zhengshu.txt","r"))==NULL)
    {
        printf("cant open this file");
        exit(0);
    }
    while(!feof(fp)){
          fscanf(fp,"%d",&k);
          if(k>0)
            m++;
        else if(k<0)
            n++;
        else if(k==0)
            p++;
    }
    printf("there is %d zheng and %d fu and %d 0\n",m,n,p);
    fclose(fp);
    return 0;
}