11_9.cpp

C程序参考,简单易懂,是初学者不可少的参考资料

#include "stdio.h"
#define  ScoreTable_TY struct ScoreTable   
ScoreTable_TY
{
  char  name[31];
  int   score[5];
  int   sum;
  float  avg;
} ;
void  SumAndAvg(ScoreTable_TY *pt);
char *Remak(float avg);
main()
{
 int i;
 ScoreTable_TY stu[5]= {
	{"zhang", {68, 79, 80, 76, 92}, 0, 0},
	{"wang",  {88, 89, 90, 96, 92}, 0, 0},
	{"li",    {85, 73, 82, 66, 82}, 0, 0},
	{"zhao",  {98, 99, 90, 96, 92}, 0, 0},
	{"qian",  {68, 79, 72, 71, 62}, 0, 0}
  };
  ScoreTable_TY *pt=stu;
  for(i=0; i<5; i++, pt++)
{
	    SumAndAvg(pt);
  }
  for(i=0; i<5; i++)
{
	    printf("%10s:  %s\n", stu[i].name, Remak(stu[i].avg));
  }
  return 0;
}
void SumAndAvg(ScoreTable_TY *pt)
{
  int i;
  for(i=0; i<5; i++)
	    pt->sum += pt->score[i];
  pt->avg = pt->sum/5.0;
}
char *Remak(float avg) {
	  if(avg > 90.0)
		return "best";
  else if(avg > 75)
	    return "better";
  else
	    return "good";
}