£ £ ¡îÌâÄ¿92
£ £ Çë±àÖƳÌÐòprog1.c£¬´ÓÎļþin.datÖжÁÈ¡200¸öÕûÊýÖÁÊý×éxxÖУ¬Çó³ö×î´óÊýmax¼°×î´óÊýµÄ¸öÊýcntºÍÊý×éxxÖÐÄܱ»3Õû³ý»òÄܱ»7Õû³ýµÄËãÊõƽ¾ùÖµpj£¨±£Áô2λСÊý£©¡£
£ £  ½á¹ûmax,cnt,pjÊä³öµ½out.datÖС£
£ £  ²¿·Ö³ÌÐò¡¢¶ÁÊý¾Ýº¯Êýread_dat(int xx[200])¼°Êä³ö¸ñʽÒѸø³ö¡£
£ £ #include 
£ £ #include 
£ £ #define n 200
£ £ 
£ £ void read_dat(int xx[n])
£ £ {
£ £  int i,j;
£ £  file *fp;
£ £ 
£ £  fp=fopen("in.dat","r");
£ £  for(i=0;i<20;i ){
£ £  for(j=0;j<10;j ){
£ £  fscanf(fp,"%d,",&xx[i*10 j]);
£ £  printf("%d",xx[i*10 j]);
£ £  }
£ £  printf("n");
£ £  }
£ £  fclose(fp);
£ £ }
£ £ 
£ £ void main()
£ £ {
£ £  int m,temp,n,sum;
£ £  int cnt,xx[n],max ;
£ £  float pj;
£ £  file *fw;
£ £ 
£ £  clrscr();
£ £  fw=fopen("out.dat","w");
£ £  read_dat(xx);
£ £ /*********************/
£ £  cnt=0; max=xx[0]; pj=0.0; n=0;
£ £  for(m=0;m£ £  if(max£ £  for(m=0;m£ £  {if(xx[m]==max) cnt ;
£ £  if(xx[m]%3==0||xx[m]%7==0)
£ £  { pj =xx[m]; n ; }
£ £  }
£ £  pj/=n;
£ £ 
£ £ /*********************/
£ £ 
£ £ printf("nnmax=%d,cnt=%d,pj=%6.2fn",max,cnt,pj);
£ £ fprintf(fw,"%dn%dn%6.2fn",max,cnt,pj);
£ £ fclose(fw);
£ £ }