Question 4 done

Q4.c

@@ -1,5 +1,7 @@
 #include <stdio.h>
 //Question 4
+
+// Finds average value of array
 double find_average(const int arr[], int len) {
 	double sum = 0.0;
 	for(int i = 0; i < len; i++) {
@@ -7,6 +9,7 @@ double find_average(const int arr[], int len) {
 	}
 	return sum/len;
 }
+
 // Returns the INDEX of the highest value in array
 int find_index_highest(const double arr[], int len) {
 	double highest = arr[0];
@@ -22,12 +25,14 @@ int find_index_highest(const double arr[], int len) {
 }
 
 int main() {
+	// To test the functions
 	int num_students, num_subjects;
 	printf("Enter number of students: ");
 	scanf("%d", &num_students);
 	printf("Enter number of subjects: ");
 	scanf("%d", &num_subjects);
 
+	// Create matrix of grades and use input to assign its values
 	int grade_matrix[num_students][num_subjects];
 	for(int i = 0; i < num_students; i++) {
 		printf("Enter student %d's grades: ", i+1);
@@ -37,11 +42,13 @@ int main() {
 		printf("\n");
 	}
 
+	// Array to hold average grades of students
 	double average_grades[num_students];
+	// Print every students average grades
 	printf("Average Grades:\n");
 	for(int i = 0; i < num_students; i++) {
 		average_grades[i] = find_average(grade_matrix[i], num_subjects);
-        printf("Student %d: %0.02f\n", i+1, average_grades[i]);
+		printf("Student %d: %0.02f\n", i+1, average_grades[i]); // Formatted to two decimal places
 	}
 
 	printf("Student with Highest Average: Student %d\n", (find_index_highest(average_grades, num_students) +1));