#define numScores 3             // the number of test scores which a student will have

struct btreenode{
  int studentID;              // the ID number of the student at the current node
  float scores[3];            // the 3 test scores of the student
  float average;              // the average of the 3 test scores for the student
  struct btreenode *left;     // pointer to left side of the tree
  struct btreenode *right;    // pointer to right side of the tree
};

typedef struct btreenode *Node;

int main() {
  return 0;
}