#include <iostream>
#include <vector>
#include <numeric> // untuk std::accumulate
 
double hitungRataRata(const std::vector<int>& angka) {
    if (angka.empty()) {
        return 0.0; // Menghindari pembagian dengan nol
    }
    double jumlah = std::accumulate(angka.begin(), angka.end(), 0);
    return jumlah / angka.size();
}
 
int main() {
    std::vector<int> angka = {10, 20, 30, 40, 50};
    double rataRata = hitungRataRata(angka);
    std::cout << "Nilai rata-rata: " << rataRata << std::endl;
    return 0;
}
 

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