第1个回答 2015-12-05
#include <stdio.h>
int main()
{
int i;
float score[20], sum = 0.0, min, max, average;
printf ("输入20名学生的成绩:\n");
for (i=0; i<20; i++)
{
scanf ("%f", &score[i]);
sum += score[i];
}
average = sum / 20;
printf ("该课程的平均成绩:%.2f\n", average);
min = max = score[0];
for (i=0; i<20; i++)
{
if (min > score[i])
min = score[i];
if (max < score[i])
max = score[i];
}
printf ("最高成绩:%.2f\n", max);
printf ("最低成绩:%.2f\n", min);
return 0;
}本回答被网友采纳