#include<stdio.h>
int main()
{
float arr[100] = {0};
int n = 0;
scanf("%d",&n);
float sum = 0.0;
float m = 0;
float max = 0.0;
float min = 100;
for(int i = 0; i < n;i++)
{
scanf("%f",&m);//通过循环实现多次输入
sum += m;
if(max < m)
{
max = m;
}
if(min > m)
{
min = m;
}
}
printf("%.2f %.2f %.2f",max,min,sum/n);
return 0;
}

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