// Program: SumArray.ino

// const int arraySize = 10; // constant variable indicating size of array
int A[] = {87, 100, 83, 78, 85, 91, 76, 87, 99, 100, 103};

int sum = 0;

void setup () {
  Serial.begin(115200);
}

void loop () {
  int arraySize;
  arraySize = sizeof(A) / sizeof(int);

  for (int i = 2; i < 5; ++i) {
    sum = sum + A[i];
  }
  Serial.print("Sum of 3 elements = ");
  Serial.println(sum);

  sum = 0;

  // sum contents of array A
  for (int i = 0; i < arraySize; ++i) {
    sum = sum + A[i];
  }

  Serial.print("Sum of array elements = ");
  Serial.println(sum);

  // Serial.println(sizeof(int));
  // Serial.println(sizeof(A));
  Serial.println(sizeof(A) / sizeof(int));

  while (1);
}