exp05_03.c

《C语言程序设计教程、实验与练习》 源文件下载

#include <stdio.h>
#include <conio.h>
#define  NUM  100
main()
{
 float height[NUM];
 int i,count,stu_num;
 float averageheight;

 while(1)
 {
  printf("input the number of students:");
  scanf("%d",&stu_num);
  if(stu_num>=1&&stu_num<=100)
     break;
  printf("wrong inputing! try again!\n");
  }

 averageheight=0;
 for(i=0;i<stu_num;i++)
  {
   printf("input the height of the %dth student:",i+1);
   scanf("%f",&height[i]);
   averageheight+=height[i];
    }
 averageheight/=stu_num;
 count=0;
 for(i=0;i<stu_num;i++)
   if(height[i]>=averageheight)
     count++;
 printf("The average height is %f,",averageheight);
 printf("and %d students exceed this height\n",count);


 }