#include <iostream>
#include <string.h>

void multiDimentionArray();
void EnterToArray();
void playingWithStrings();
float calcAverage(int[]);
void callFunctions();

int main()
{
    // multiDimentionArray();
    // EnterToArray();
    // playingWithStrings();
    callFunctions();
    return 0;
}
void multiDimentionArray()
{
    int A[4][3] = {{1, 2, 3},
                   {4, 5, 6},
                   {7, 8, 9},
                   {10, 11, 12}};
    for (int i = 0; i <= 3; i++)
    {
        for (int j = 0; j <= 2; j++)
        {
            std::cout << A[i][j] << std::endl;
        }
    }
}
void EnterToArray()
{
    int mat[3][5], row, col;
    for (row = 0; row < 3; row++)
    {
        for (col = 0; col < 5; col++)
        {
            std::cout << "Enter a digit: ";
            std::cin >> mat[row][col];
        }
    }
    for (int i = 0; i <= row - 1; i++)
    {
        for (int j = 0; j <= col - 1; j++)
        {

            std::cout << mat[i][j] << std::endl;
        }
    }
}
void playingWithStrings()
{
    char str[80];
    std::cout << "Please enter a string: ";
    std::cin.getline(str, 80);
    std::cout << str << std::endl;
    std::puts(str);
}
float calcAverage(int a[])
{
    float average, int sum = 0;
    for (int i = 0; i < 5; i++)
    {
        sum += a[i];
    }
    average = sum / 5;
    return average;
}
void callFunctions()
{
    int A[5];
    for (int i = 0; i < 5; i++)
    {
        std::cout << "Enter a number: ";
        std::cin >> A[i];
    }
    float average = calcAverage(A);
}