查找成绩平均值和最大值(c++) [已关闭]

#include <iostream>
#include <vector>
#include <numeric> // for std::accumulate
#include <algorithm> // for std::max_element

int main() {
    std::vector<int> scores = {85, 90, 78, 92, 88};

    // 计算平均值
    double average = std::accumulate(scores.begin(), scores.end(), 0.0) / scores.size();
    std::cout << "Average score: " << average << std::endl;

    // 计算最大值
    int max_score = *std::max_element(scores.begin(), scores.end());
    std::cout << "Max score: " << max_score << std::endl;

    return 0;
}

if (!scores.empty()) {
    double average = std::accumulate(scores.begin(), scores.end(), 0.0) / scores.size();
    std::cout << "Average score: " << average << std::endl;
} else {
    std::cout << "No scores available." << std::endl;
}