c code

tell.c

#include <stdio.h>

int findMin(int arr[], int n)
{
    int min = arr[0];
    for (int i = 1; i < n; ++i) {
        if (arr[i] < min) {
            min = arr[i];
        }
    }
    return min;
}

int findMax(int arr[], int n)
{
    int max = arr[0];
    for (int i = 1; i < n; ++i) {
        if (arr[i] > max) {
            max = arr[i];
        }
    }
    return max;
}

int sumArray(int arr[], int n)
{
    int sum = 0;
    for (int i = 0; i < n; ++i) {
        sum += arr[i];
    }
    return sum;
}

float findAverage(int arr[], int n)
{
    float average = sumArray(arr, n) / n;
    return average;
}

int main(void)
{
    int lower_bound = 0; // minimum
    int upper_bound = 10; // maximum

    int min = 0, max = 0, n; // initialize variables

    printf("how many numbers to enter?  ");
    scanf("%d", &n);

    int arr[n]; // array of inputs stored

    for (int i = 1; i <= n; i++) {
        int x;
        scanf("%d", &x);
        while (x < lower_bound || x > upper_bound) {
            if (x < lower_bound) {
                printf("less than lower bound!\n");
            }
            else if (x > upper_bound) {
                printf("more than upper bound!\n");
            }
            printf("enter correct number %d: ", i);
            scanf("%d", &x);
        }
        arr[i - 1] = x;
    }
    printf("\nMinimum: %d\n", findMin(arr, n));
    printf("Maximum: %d\n", findMax(arr, n));
    printf("Average: %.2f\n", findAverage(arr, n));
    printf("Sum of array: %d\n", sumArray(arr, n));
    return 0;
}