#include <iostream>

using namespace std;

void printArray(double arr[], int arrSz, char splitter = ' ') {
    for (int i = 0; i < arrSz; i++) {
        cout << arr[i] << splitter;
    }
    cout << endl;
}

double getAverageNumber(double arr[], int arrSz) {
    double averageNumber = 0;
    for (int i = 0; i < arrSz; i++) {
        averageNumber += arr[i];
    }
    return averageNumber / arrSz;
}

int main() {
    const int CSize = 7;
    double C[CSize];

    cout << "Enter numbers for next elements from C array:" << endl;
    for (int i = 0; i < CSize; i++) {
        cout << "C[" << i << "]: ";
        cin >> C[i];
    }
    cout << endl;

    cout << "Element values of C array: ";
    printArray(C, CSize);

    cout << "Average value of C array: " << getAverageNumber(C, CSize) << endl;

    system("pause");
}