Tutorial 8 Part B Question 4

#include <iostream>
#include <iomanip>
#include <cstdlib>
#include <ctime>
using namespace std;

int get_num_rolls();
void generate_freq (int num_rolls, int freq[], int size);
void print_freq (int freq[], int size);

int main(void)
{
    int num_rolls;
    int freq[6] = {0};

    num_rolls = get_num_rolls();
    generate_freq(num_rolls, freq, 6);
    print_freq (freq, 6);

    return 0;
}

int get_num_rolls()
{
    int num;
    cout <<"How many times you want to roll a dice?";
    cin >> num;
    return num;
}

void generate_freq (int num_rolls, int freq[], int size)
{
    int rand_num;
    srand(time(NULL));
    for (int i=0; i < num_rolls; i++)
        {
            rand_num = rand() % size + 1;
            cout << rand_num << " ";
            freq[rand_num -1]++;
        }
}

void print_freq (int freq[], int size)
{
    cout << "Outcome\tFrequency\n";
    cout << "=======\t=========\n";
    for (int i=0; i < size; i++)
        cout << setw(3) << i+1 <<"\t" << setw(3) << freq[i] << endl;
}