题解 | #统计成绩#

知识点：运算

#include <iostream>
#include <iomanip>
#include <vector>
using namespace std;

int main() {
    int n = 0;
    float arr[100];
    float sum = 0;
    float max = 0;
    float min = 100;
    float average = 0;

    cin >> n;

    for (int i = 0; i < n; i++) {
        cin >> arr[i];
        sum += arr[i];

        if (max < arr[i]) {
            max = arr[i];
        }

        if (min > arr[i]) {
            min = arr[i];
        }
    }

    average = sum / n;

    cout << fixed << setprecision(2);
    cout << max << " " << min << " " << average << endl;

    return 0;
}