atribuir valor a um ponteiro

int main(){
  int arr[2];
  int* ptr = arr;
  // to assign value to a pointer we can use two methods :
  
  // Pointer Subscript Notation
  ptr[0] = 1337;								// the first element
  
  // Pointer Offset Notation
  *(ptr + 1) = 1338;							// the second element
  return 0;
}
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