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 33 行

#include  <stdio.h>
int jsvalue(int t)
{
  int f1=0,f2=1,fn;
  fn=f1+f2;
  while(fn<=t)
  { f1=f2; f2=fn; fn=f1+f2; } 
  return fn;  
}
main()
{
  int n;
  n=1000;
  printf("n=%d,f=%d\n",n,jsvalue(n));
  writeDat();
}
writeDat()
{
  FILE *in,*out;
  int i,n,s;
  in=fopen("IN96.DAT","r");
  out=fopen("OUT96.DAT","w");
  for(i=0;i<10;i++)
  {
    fscanf(in,"%d",&n);
    s=jsvalue(n);
    printf("%d\n",s);
    fprintf(out,"%d\n",s);
  }
  fclose(in);
  fclose(out);
}