t93.c

c语言小程序100个

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define MAX 1000

int xx[MAX],odd=0,even=0;
double aver=0.0,totfc=0.0;
void WriteDat(void);

int ReadDat(void)
{ int i;
FILE *fp;
if((fp=fopen("IN.DAT","r"))==NULL) return 1;
/* */
fclose(fp);
return 0;
}

void Compute(void)
{
}

void main()
{
int i;

for(i=0;i<MAX;i++)xx[i]=0;
if(ReadDat()){
  printf("数2据文件IN.DAT不能打开!\007\n");
  return;
}
Compute();
printf("ODD=%d\nOVEN=%d\nAVER=%1f\nTOTFC=%lf\n",odd,even,aver,totfc);
WriteDat();
}

void WriteDat(void)
{FILE *fp;
int i;

fp=fopen("OUT.DAT","w");
fprintf(fp,"%d\n%lf\n%lf\n%lf\n",odd,even,aver,totfc);
fclose(fp);
}