#include <stdio.h>
#define   N   16
typedef  struct
{  char  num[10];
   int   s;
} STREC;
void  fun( STREC  a[] )
{
	int i,j;
	STREC t;
	for(i=1;i<N;i++)
		for(j=0;j<N-1;j++)
			if(a[j].s<a[j+1].s)
			{t=a[j];a[j]=a[j+1];a[j+1]=t;}

}

main()
{  STREC  s[N]={{"GA005",85},{"GA003",76},{"GA002",69},{"GA004",85},
		{"GA001",91},{"GA007",72},{"GA008",64},{"GA006",87},
		{"GA015",85},{"GA013",91},{"GA012",64},{"GA014",91},
		{"GA011",66},{"GA017",64},{"GA018",64},{"GA016",72}};
   int  i;FILE *out ;
   fun( s );
   printf("The data after sorted :\n");
   for(i=0;i<N; i++)
   {  if( (i)%4==0 )printf("\n");
      printf("%s  %4d  ",s[i].num,s[i].s);
   }
   printf("\n");
   out = fopen("out.dat","w") ;
   for(i=0;i<N; i++)
   {  if( (i)%4==0 && i) fprintf(out, "\n");
      fprintf(out, "%4d  ",s[i].s);
   }
   fprintf(out,"\n");
   fclose(out) ;
}