L5_T1

#include <iostream>
#include <cstdlib>

using namespace std;

const int N = 100;
const int MAX_RAND = 5;

void InitArray(int (&)[N], int);
void PrintArray(int (&)[N], int);
void MultiplyElements(int (&)[N], int);

int main()
{
    int arr[N];
    int n;
    
    cout << "Enter array size: ";
    cin >> n;
    
    cout << endl;
    
    InitArray(arr, n);
    PrintArray(arr, n);
    
    cout << "Array after an operation: ";
    MultiplyElements(arr, n);
    PrintArray(arr, n);
    return 0;
}

void InitArray(int (&arr)[N], int n)
{
    for(int i = 0; i < n; i++)
    {
        arr[i] = rand() % MAX_RAND;
    }
    cout << "The array is initialized" << endl;
}
void PrintArray(int (&arr)[N], int n)
{
    cout << endl;
    for(int i = 0; i < n; i++)
    {
        cout << ' ' << arr[i];
    }
    cout << endl;
}
void MultiplyElements(int (&arr)[N], int n)
{
    for(int i = 0; i < n; i++)
    {
        arr[i] = pow(arr[i], 2) < 16 ? arr[i] * 3 : arr[i]; 
    }
}