11_10.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, int size);
char *Remak(float avg);
int main(void){
  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}
  };                                                    
   SumAndAvg(stu, 5);                     
   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 size)
{
  int i, j;
  for(i=0; i<size; i++) {
	    for(j=0; j<5; j++)
	      pt->sum += pt->score[j];
   pt->avg = pt->sum/5.0;
	   pt++;
  }
}
char *Remak(float avg) {
if(avg > 90.0) 
		return "best";
  else if(avg > 75)
	    return "better";
  else
	    return "good";
}