Add BQ.c

BQ.c

@@ -0,0 +1,65 @@
+#include <stdio.h>
+// Bonus Question
+
+struct s_Employee {
+    char name[50];
+    int id;
+    double hourly_salary;
+    int hours_worked;
+};
+union u_Employee {
+    char name[50];
+    int id;
+    double hourly_salary;
+    int hours_worked;
+};
+
+
+int main() {
+    // First to print the size of an int, double, and char[50] so we can see
+    printf("int is %d bytes\n", sizeof(int));
+    printf("double is %d bytes\n", sizeof(double));
+    printf("string of 50 length is %d bytes\n", sizeof(char[50]));
+
+    /* int is 4 bytes
+     * double is 8 bytes
+     * char[50] is 50 bytes
+     *
+     * Employee has 1 char[50], 2 ints, and 1 double
+     * All of these added up equal 66
+     * The largest of the all is char[50] at 50 bytes
+     *
+     */
+
+
+    printf("Size of Struct employee: %d bytes\n", sizeof(struct s_Employee));
+    printf("Size of Union employee: %d bytes\n\n", sizeof(union u_Employee));
+
+    /* We see that the struct came out to 72 bytes, and the union came out to 66 bytes
+     * The struct's size is the sum of all its members, +6 bytes from the compiler for memory padding
+     * The unions size is just the size of its largest member, +6 bytes from the compiler for memory padding
+     */
+
+    /* Thus, the struct should be able to assign and keep values for all its members
+     * The union can only hold one, as all members share memory
+     */
+
+    // All the members of the struct will be assigned and are accessible together
+    struct s_Employee s_employee = {"John doe", 12345, 15.00, 8};
+    printf("Name: %s\n", s_employee.name);
+    printf("id: %d\n", s_employee.id);
+    printf("Salary: %0.02f\n", s_employee.hourly_salary);
+    printf("Hours worked: %d\n", s_employee.hours_worked);
+
+    // Only one member of the union can be assigned at a time
+    union u_Employee u_employee;
+    u_employee.id = 12345;
+    printf("id: %d\n\n", u_employee.id);
+    u_employee.hourly_salary = 15.00; // Now id is overwritten
+    printf("Salary: %0.02f\n", u_employee.hourly_salary);
+    printf("id: %d\n", u_employee.id); // Prints 0
+
+
+
+    return 0;
+}