题解 | #统计成绩#

#include <stdio.h>

int main() {
   int n = 0;
	scanf("%d", &n);
	
	float arr[100] = { 0 };
	for (int i = 0; i < n; i++) {
		scanf("%f", &arr[i]);
	}
	float max = 0;
	float min = arr[0];
	float sum = 0;
	for (int i = 0; i < n; i++) {
        //寻找最大值
		if (max < arr[i]){
			max = arr[i];
			}
            //寻找最小值
		else if (min > arr[i]) {
			min = arr[i];
		}
		sum += arr[i];
     }
	printf("%.2f %.2f %.2f", max, min,sum/n);
    return 0;
}