#include<stdio.h>
int main(){
int n = 0;
int i = 1;
float higest = 0;
float lowest = 0;
float sum = 0;
float score = 0;
scanf("%d",&n);
scanf("%f ",&score);
lowest = score;//第一个当作参考
sum = score;
while(i < n)
{
scanf("%f ",&score);
if(score > higest) higest = score;
if(score < lowest) lowest = score;
sum +=score;
i++;
}
printf("%.2f %.2f %.2f",higest,lowest,sum/(float)n);
return 0;
}

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