Add Q2.c

Most is done, but idk how they want to print the name too. The whole point of Unions is that u cant have the grade and the name filled out

Q2.c

@@ -0,0 +1,64 @@
+#include <stdio.h>
+
+typedef union Student {
+    char name[50];
+    int roll_number;
+    int grades[3];
+} Student;
+
+double student_average_grade(Student student) {
+    double average_grade = 0.0;
+    for(int i = 0; i < 3; i++) {
+        average_grade += student.grades[i];
+    }
+    return average_grade/3;
+}
+
+double all_student_averages(Student arr[], int len) {
+    double average_grade = 0.0;
+    for(int i = 0; i < len; i++) {
+        average_grade += student_average_grade(arr[i]);
+    }
+    return average_grade/len;
+}
+
+Student highest_grade(Student arr[], int len) {
+    Student highest = arr[0];
+    for(int i = 0; i < len; i++) {
+        if(student_average_grade(arr[i]) > student_average_grade(highest)) {
+            highest = arr[i];
+        }
+    }
+    return highest;
+}
+
+int main() {
+    Student John;
+    John.grades[0] = 3;
+    John.grades[1] = 4;
+    John.grades[2] = 3;
+    Student Bob;
+    Bob.grades[0] = 4;
+    Bob.grades[1] = 4;
+    Bob.grades[2] = 4;
+    Student Bo;
+    Bo.grades[0] = 2;
+    Bo.grades[1] = 1;
+    Bo.grades[2] = 2;
+
+    Student arr[3];
+    arr[0] = John;
+    arr[1] = Bob;
+    arr[2] = Bo;
+
+    printf("Average Grade: %0.02f\n", student_average_grade(arr[0]));
+    printf("Average Grade: %0.02f\n", student_average_grade(arr[1]));
+    printf("Average Grade: %0.02f\n", student_average_grade(arr[2]));
+    printf("Average Grade: %0.02f", all_student_averages(arr, 3));
+
+    //("Student with highest grades: ")
+
+    return 0;
+}
+
+