c find last element in array

#include <stdio.h>

int main() {
   int arr[] = {1, 2, 3, 4, 5};
   int size = sizeof(arr) / sizeof(arr[0]);
   int lastElement = arr[size - 1];

   printf("The last element in the array is: %d\n", lastElement);

   return 0;
}

Output: The last element in the array is: 5