#include <stdio.h>
#define ARR_SIZE 100

int main()
{
    float sum = 0;
    float array[ARR_SIZE];
    int numberOfitems;


    printf("Number of items : ");
    scanf("%d\n", &numberOfitems);

    for (int i = 0; i < numberOfitems; i++) {
        scanf("%f", &array[i]);
    }

    for (int i = 0; i < numberOfitems; i++) {
        sum = sum + array[i];
    }

    float average = (sum / numberOfitems);
    printf("The average : %f\n", average);
}