/**
 * Good use of array and passing thereof
 * Also demo of srand and rand
 * Author: gtowell
 * Created: Feb 2021
 * **/

#include <stdio.h>
#include <stdlib.h>
#include <time.h>

#define ARR_SIZE 10
#define TABLE_FORMAT "%c%5d %10d\n"

/**
 * Change the internal value of the array
 * Doing random numbers
 * @param siz the array size
 * @param intArray the arra
 * **/
void changeArra(int siz, int intArr[siz]) {
    for (int i = 0; i < siz; i++) {
        int rNum = rand() % siz;
        intArr[i] = rNum;
    }
}

/**
 * Print the values of the array
 * @param siz the array size
 * @param intArray the arra
 * **/
void printArray(char iChar, int siz, int intArr[siz]) {
    for (int i = 0; i < siz; i++) {
        printf(TABLE_FORMAT, iChar, i, intArr[i]);
    }
}

int main(int argc, char const *argv[])
{
    time_t tt;
    srand(time(&tt));
    int arr[ARR_SIZE];
    for (int i = 0; i < ARR_SIZE; i++) {
        arr[i] = i;
    }
    printArray('a', ARR_SIZE, arr);
    changeArra(ARR_SIZE, arr);
    printArray('b', ARR_SIZE, arr);
    return 0;
}