#include <stdio.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"

void averageAndCountEven(int arr[], int len, double *average, int *count);

void app_main() {
    // Declaring and initializing an integer array
    int arr[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };

    // Calculating the length of the array
    int len = sizeof(arr) / sizeof(arr[0]); //Division was reversed. (JI)

    // Declaring average and count variables
    double average;
    int count;

    /* Calling averageAndCountEven(), passing the 'arr' array, length of the array'len', 
       references to the variables 'average' and 'count', and printing the results */
    averageAndCountEven(arr, len, &average, &count); //There weren't any parameters being passed. Average and count have a dereference because the function has a reference in the parameters of those variables. (JI)
    printf("The average of array elements is %.2f\n", average); //Format specifier was an integer instead of double. Added %.2 so that the number is limited to 2 decimal spots. (JI)
    printf("The count of even numbers in the array is %d\n", count);

    //Removed return 0 because main function is void. (JI)
}

/************************
 * Function    - averageAndCountEven
 * Description - calculates the average and count of even numbers in an integer array
 * Parameters  - arr[]    - an integer array
 *               len      - length of the array arr[] (number of elements in the array)
 *               average  - a pointer to store the average
 *               count    - a pointer to store the count
 * Return type - none
************************/
void averageAndCountEven(int arr[], int len, double *average, int *count) { //Average and count variable need to match the function declaration. (JI)
    //initializing the pointers to 0
    *average = 0;
    *count = 0;

    //loop through the arr[] using 'len' variable as the limit of the integer 'i'
    for (int i = 0; i < len; i++) { //For-loop was incomplete. (JI)
        //calculating the total sum and store it in the pointer 'average'
        *average += arr[i];
        if (arr[i] % 2 == 0) {
            (*count)++;
        }
    }

    //calculate the average and store it in the pointer 'average'
    *average /= len; //Missing the divisor. (JI)
}