题解 | #统计成绩#

#include <stdio.h>
int main()
{
	int n = 0;
	scanf("%d", &n);
	float x =  0 ;
	float sum = 0;
	float max = 0;
	float min = 1000;
	int i = 0;
	for (i = 0; i < n; i++)
	{
		scanf("%f", &x);
		if (x > max)
			max = x;
		if(x<min)
			min = x;
		sum += x;
	}
	float average = sum / n;
	printf("%.2f %.2f %.2f", max, min, average);
	return 0;
}