Array Average

#include <stdio.h>
int main() {
    int arr[] = {10,20,30,40,50}, n = 5, sum = 0;
    for (int i = 0; i < n; i++) sum += arr[i];
    printf("Sum: %d\nAverage: %.1f\n", sum, (float)sum/n);
    return 0;
}