prog.c

计算机等级考试 四级 机试总汇 历年真题

#include <stdio.h>
#include <conio.h>
#include <string.h>
#include <mem.h>
#include <stdlib.h>
#define MAX 50

typedef struct {
  char xh[5];
  char xm[7];
  int  sx,yw,wy,wl,hx,zz,zf;
} STUD;

STUD stud[50] ;

ReadDat(STUD stud[50])
{
  FILE *fp ;
  char str[30];
  int i ;

  fp = fopen("in.dat","rb") ;
  if (!fp) return 1;
  clrscr() ;
  for(i = 0 ; i < MAX ; i++) {
  fread(&stud[i],sizeof(STUD),1,fp);
    stud[i].zf = stud[i].sx+stud[i].yw+stud[i].wy+stud[i].wl+stud[i].hx+stud[i].zz ;
  }
  fclose(fp) ;
}

void sort(STUD stud[50])
{



}
writedat()
{ FILE *fp;
 int i;
  fp = fopen("in.dat","wb") ;
  for(i = 0 ; i < MAX ; i++) {
    if (i<9) sprintf(stud[i].xh,"%s%d","000",i+1);
     else     if (i<99) sprintf(stud[i].xh,"%s%d","00",i+1);
	else    if (i<999) sprintf(stud[i].xh,"%s%d","0",i+1);
	  else sprintf(stud[i].xh,"%d",i+1);
    sprintf(stud[i].xm,"%s%d","XM-",i+1);
    stud[i].sx=random(100);
    stud[i].yw=random(100);
    stud[i].wy=random(100);
    stud[i].wl=random(100);
    stud[i].hx=random(100);
    stud[i].zz=random(100);
    fwrite(&stud[i],sizeof(STUD),1,fp);
/*    fprintf(fp,"%4d%6s%3d%3d%3d%3d%3d%3d\n",i,i+50,random(100),random(100),random(100),random(100),random(100),random(100)) ;
    printf("%4d%6s%3d%3d%3d%3d%3d%3d\n",i,"aaa",random(100),random(100),random(100),random(100),random(100),random(100)) ;*/
    printf("%4s%6s%3d%3d%3d%3d%3d%3d\n",stud[i].xh,stud[i].xm,stud[i].sx,stud[i].yw,stud[i].wy,stud[i].wl,stud[i].hx,stud[i].zz) ;
  }
  fclose(fp) ;


}

void main()
{
  STUD stud[50] ;
  char tmp[5] ;
  int i ;
  FILE *fp ;
  if(  ReadDat(stud) )  {printf("open file error!\n"); exit(1);}

  sort(stud) ;
  fp = fopen("out.dat","w") ;
  for(i = MAX-1 ; i >=0 ; i--) {
    if(stud[i].zf) {
      fprintf(fp,"%4s%6s%3d\n",stud[i].xh,stud[i].xm,stud[i].zf) ;
      printf("%2d %4s %6s %3d\n",MAX-i,stud[i].xh,stud[i].xm,stud[i].zf) ;}
    if((i % 20 == 0) && i != 0) getch() ;
  }
  fclose(fp) ;
}