题解 | #统计成绩#

#include <iostream>
#include <iomanip>

int main() {
    int n;
    std::cin >> n;

    double maxScore = -1.0;
    double minScore = 101.0;
    double totalScore = 0.0;

    for (int i = 0; i < n; i++) {
        double score;
        std::cin >> score;
        if (score > maxScore) {
            maxScore = score;
        }
        if (score < minScore) {
            minScore = score;
        }
        totalScore += score;
    }

    double average = totalScore / n;

    std::cout << std::fixed << std::setprecision(2) << maxScore << " " << minScore << " " << average << std::endl;

    return 0;
}