#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include <math.h>
int sort(int a[], int i)
{
int b, c, t;
for (b = 0; b < i - 1; b++)
{
for (c = b + 1; c < i; c++)
{
if (a[b] < a[c])
{
t = a[b]; a[b] = a[c]; a[c] = t;
}
}
}printf("sort=");
for (b = 0; b < i; b++)
{
printf("%d ", a[b]);
}
}
int avg(int a[], int i)
{
int j, sum = 0;
float k = 0;
for (j = 0; j < i; j++)
{
sum = sum + a[j];
}
k = (float)(sum) / (i);
printf("\n");
printf("avg=%.5f",k );
}
int main()
{
int i = 0, j = 0;
int a[100];
printf("请输入");
while (i < 100)
{
scanf("%d", &a[i]);
if (a[i] == -1)
{
break;
}
else
{
i++;
}
}sort(a, i); avg(a, i);
system("pause");
return 0;
}