Updated the final file and source and zip

final/README.md

@@ -1,3 +1,5 @@
+### Guide
+#### Compile
 ```shell
 gcc q1.c -o q1
 ./q1

final/q3.c

@@ -0,0 +1,286 @@
+#include "stdio.h"
+#include "stdlib.h"
+#include "string.h"
+#include "time.h"
+
+#define DEPOT_SIZE 10
+
+struct Bus
+{
+    int BusID;
+    int RouteID;
+    time_t schedule;
+} Depot[DEPOT_SIZE];
+
+typedef enum
+{
+    true,
+    false
+} bool;
+
+void createBuses();
+void printBuses();
+void scheduleBuses();
+void alignupBuses();
+void releaseBuses();
+void emergency();
+
+// utils variable
+bool has_created = false;
+bool has_scheduled = false;
+bool has_aligned = false;
+int top = -1;
+
+// utils function
+void clrscr();
+void print_depot(struct Bus *depot);
+
+time_t get_random_time();
+
+void confirm_on_finish();
+int quicksort_compare_func(const void *elem1, const void *elem2);
+bool isEmpty();
+int menu();
+
+void remove_index_of_array(int index);
+
+// Main Function
+int main()
+{
+    while (1)
+    {
+        int selection = menu();
+        clrscr();
+        printf("You Select : %d", selection);
+        printf("\n");
+
+        switch (selection)
+        {
+        case 1:
+            createBuses();
+            break;
+        case 2:
+            printBuses();
+            break;
+
+        case 3:
+            scheduleBuses();
+            break;
+        case 4:
+            alignupBuses();
+            break;
+
+        case 5:
+            releaseBuses();
+            break;
+
+        case 6:
+            emergency();
+            break;
+
+        default:
+            printf("You are enter incorrect option number");
+        }
+
+        confirm_on_finish();
+    };
+
+    return EXIT_SUCCESS;
+}
+
+int menu()
+{
+    fflush(stdout);
+
+    clrscr();
+
+    printf("\nQuestion 3 ");
+    printf("\n=========================================");
+    printf("\n");
+    printf("\n1. Create Buses");
+    printf("\n2. Print Buses");
+    printf("\n3. Schedule Buses");
+    printf("\n4. Align up Buses");
+    printf("\n5. Release Buses");
+    printf("\n6. Emergency Buses");
+
+    int chosen;
+    printf("\n\nEnter Your Selection : ");
+    scanf("%d", &chosen);
+    return chosen;
+}
+
+void createBuses()
+{
+
+    if (has_created == true)
+    {
+        printf("\nYou have created already...");
+        return;
+    }
+
+    printf("\n\nStart Create Buses...");
+
+    for (int i = 0; i < DEPOT_SIZE; i++)
+    {
+        top++;
+        Depot[i].BusID = i + 1;
+        Depot[i].RouteID = 1000 + (i + i);
+        printf("\n - Starting Create Bus %d", i + 1);
+    }
+
+    has_created = true;
+
+    printf("\nFinish Created Buses");
+}
+
+void printBuses()
+{
+    if (has_created == false)
+    {
+        printf("\nPlease Create Buses First!");
+        return;
+    }
+    print_depot(Depot);
+}
+
+void scheduleBuses()
+{
+    if (has_created == false)
+    {
+        printf("\nPlease Create Buses First!");
+        return;
+    }
+
+    printf("\nStart Scheduling Buses...\n\n");
+
+    size_t currentLen = sizeof(Depot) / sizeof(Depot[0]);
+
+    for (int i = 0; i < currentLen; i++)
+    {
+        printf("\n  - Start Random Schedule %d...", i);
+
+        Depot[i].schedule = get_random_time();
+    }
+
+    printf("\n\nEnd Scheduling Buses...");
+
+    has_scheduled = true;
+}
+
+void print_depot(struct Bus *depot)
+{
+
+    size_t currentLen = sizeof(Depot) / sizeof(*Depot);
+
+    for (int i = 0; i < top; i++)
+    {
+        printf("Bus ID: %d\n", depot[i].BusID);
+        printf("Route ID: %d\n", depot[i].RouteID);
+
+        char *scheduleForShow = "";
+        if (depot[i].schedule != 0)
+        {
+            scheduleForShow = ctime(&depot[i].schedule);
+        }
+
+        printf("Schdule Time : %s\n\n", scheduleForShow);
+    }
+}
+
+void alignupBuses()
+{
+    if (has_scheduled == false)
+    {
+        printf("\n\nYou are not scheduling buses yet ...");
+        return;
+    }
+    size_t currentLen = sizeof(Depot) / sizeof(Depot[0]);
+
+    qsort(Depot, sizeof(Depot) / sizeof(*Depot), sizeof(*Depot), quicksort_compare_func);
+
+    printf("\n\nFinish Align up Buses Schedule ... ");
+    has_aligned = true;
+}
+
+void releaseBuses()
+{
+    if (has_aligned == false)
+    {
+        printf("\n\nYou are not align buses schedule yet ...");
+        return;
+    }
+
+    int last_index = sizeof(Depot) / sizeof(*Depot) - 1;
+
+    remove_index_of_array(last_index);
+
+    printf("\n\nRelease Complete...\n\n");
+}
+
+void emergency()
+{
+    if (has_aligned == false)
+    {
+        printf("\n\nYou are not align buses schedule yet ...");
+        return;
+    }
+
+    remove_index_of_array(0);
+
+    printf("\n\nRelease Complete...\n\n");
+}
+
+void remove_index_of_array(int remove_index)
+{
+
+    int current_len = sizeof(Depot) / sizeof(*Depot);
+    memmove(Depot + remove_index, Depot + remove_index + 1, (sizeof(Depot) - remove_index - 1) * sizeof(*Depot));
+    top--;
+}
+
+time_t get_random_time()
+{
+    time_t currentTime;
+
+    time(&currentTime);
+
+    long currentTimeNumber = (long)localtime(&currentTime);
+
+    // Random in next 5 hours
+    long randomAddOnTime = rand() % (60 * 60 * 5);
+
+    long additionTime = currentTimeNumber + randomAddOnTime;
+
+    return additionTime;
+}
+
+void clrscr()
+{
+    system("clear");
+}
+
+void confirm_on_finish()
+{
+
+    printf("\n\nPress Enter to Back to Menu...");
+
+    getchar();
+    getchar();
+}
+
+bool isFull()
+{
+    return top == -1;
+}
+
+int quicksort_compare_func(const void *elem1, const void *elem2)
+{
+    struct Bus element1 = *((struct Bus *)elem1);
+    struct Bus element2 = *((struct Bus *)elem2);
+    if (element1.schedule > element2.schedule)
+        return -1;
+    if (element1.schedule < element2.schedule)
+        return 1;
+    return 0;
+}