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] ;

void ReadDat(STUD stud[50])
{
  FILE *fp ;
  char str[30], tmp[4] ;
  int i ;

  fp = fopen("in.dat","rb") ;
  clrscr() ;
  tmp[3] = 0 ;
  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) ;
}
sort(STUD stud[])
{
}

void main()
{
  STUD stud[50] ;
  int i ;
  FILE *fp ;
  ReadDat(stud) ;
  sort(stud);
  fp = fopen("out.dat","w") ;
  for(i = 0 ; i < MAX ; i++) {
    fprintf(fp,"%4s%6s%3d\n",stud[i].xh,stud[i].xm,stud[i].zf) ;
    printf("%2d %4s %6s %3d\n",i+1,stud[i].xh,stud[i].xm,stud[i].zf) ;
    if((i % 20 == 0) && i != 0) getch() ;
  }
  fclose(fp) ;
}