1_pro.c

来自「C源代码 计算机等级考试C语言上机题」· C语言 代码 · 共 35 行

#include  <stdio.h>
int a[300], cnt=0;
double pjz1=0.0,pjz2=0.0;
void jsValue()
{


}
main()
{
  int i;
  readDat();
  jsValue();
  writeDat();
  printf("cnt=%d\n满足条件的平均值pjz1=%7.2lf\n不满足条件的平均值pjz2=% 7.2lf\n",
cnt,pjz1,pjz2);
}
readDat()
{
  FILE *fp;
  int i;
  fp=fopen( "IN18.DAT","r");
  for(i=0;i<300;i++) 
  fscanf(fp,"%d,",&a[i]);
  fclose(fp);
}
writeDat()
{
  FILE *fp;
  int i;
  fp=fopen("OUT18.DAT","w");
  fprintf(fp,"%d\n%7.2lf\n%7.2lf\n",cnt ,pjz1,pjz2);
  fclose(fp);
}