Code Added

Programs/Organiser-List-Maintainer.c

@@ -0,0 +1,153 @@
+/*
+Let in one conference, at the time of registration process the registration desk prepare one master linked list
+ to register the participant irrespective of their type. Let the type of participants are Student, Guest, Organizing team, Delegate. 
+a.	Name(String)
+b.	Type of Participant (Char: For Student- ‘S’, Guest - ’G’, Organizing team - ‘O’, Delegate - ‘D’)
+c.	Phone number (10 digit int array)
+
+*/
+#include <stdio.h>
+#include <stdlib.h>
+
+struct database
+{
+    char name[30];
+    long int ph_no;
+    char type;
+    struct database *next;
+};
+
+void output(struct database *q)
+{
+    printf("Name: %s\n", q -> name);
+    printf("Type: %c\n", q -> type);
+    printf("Phone number: %ld\n", q -> ph_no);
+}
+
+void display(struct database *hs , struct database *hg , struct database *ho , struct database *hd)
+{
+    struct database *ptr = hs;
+    printf("\nStudents :\n");
+    int i = 1;
+    while (ptr != NULL)
+    {
+        printf("\nStudent %d:\n", i);
+        output(ptr);
+        ptr = ptr -> next;
+        i++;
+    }
+
+    ptr = hg;
+    printf("\nGuest :\n");
+    i = 1;
+    while (ptr != NULL)
+    {
+        printf("\nGuest %d:\n", i);
+        output(ptr);
+        ptr = ptr -> next;
+        i++;
+    }
+
+    ptr = ho;
+    printf("\nOrganizing Team :\n");
+    i = 1;
+    while (ptr != NULL)
+    {
+        printf("\nOrganizing Team %d:\n", i);
+        output(ptr);
+        ptr = ptr -> next;
+        i++;
+    }
+
+    ptr = hd;
+    printf("\nDelegate :\n");
+    i = 1;
+    while (ptr != NULL)
+    {
+        printf("\nDelegate %d:\n", i);
+        output(ptr);
+        ptr = ptr -> next;
+        i++;
+    }
+}
+
+void LinkListSep(struct database **h ,struct database **hs , struct database **hg , struct database **ho , struct database **hd)
+{
+    struct database *ptr , *temp;
+
+    for (ptr = *h ; ptr != NULL;)
+    {
+        temp = malloc(sizeof(struct database)) ;
+        *temp = *ptr;
+        if(ptr -> type == 'S' || ptr -> type == 's')
+        {
+            ptr -> next = *hs;
+            *hs = ptr; 
+        }
+        else if(ptr -> type == 'G' || ptr -> type == 'g')
+        {
+            ptr -> next = *hg;
+            *hg = ptr; 
+        }
+        else if(ptr -> type == 'O' || ptr -> type == 'o')
+        {
+            ptr -> next = *ho;
+            *ho = ptr; 
+        }
+        else
+        {
+            ptr -> next = *hd;
+            *hd = ptr; 
+        }
+        ptr = temp -> next;
+        *h = ptr;
+    }
+}
+
+void insert(struct database **h)
+{
+    struct database *curr;
+    curr = malloc(sizeof(struct database));
+    printf("Enter participant info - \n");
+    printf("Name : ");
+    scanf("%s", curr->name);
+    printf("Type : ");
+    scanf(" %c", &curr->type);
+    printf("Phone number : ");
+    scanf("%ld", &curr->ph_no);
+    curr->next = NULL;
+
+    if (*h == NULL)
+        *h = curr;
+    else
+    {
+        curr->next = *h; 
+        *h = curr;
+    }
+}
+
+int main()
+{
+
+    printf("Welcome\n\n");
+    struct database *head , *hs , *hg , *ho , *hd;
+    head = hs = hg = ho = hd = NULL;
+    char choice;
+
+    while (1)
+    {
+        printf("\nDo you want to add more participants ? (y/n) : ");
+        scanf(" %c", &choice);
+        if (choice == 'n')
+            break;
+        insert(&head);
+    }
+
+    LinkListSep(&head , &hs , &hg , &ho , &hd);
+    display(hs , hg , ho , hd);
+
+    if(head == NULL)
+        printf("\nMaster Link List Destroyed!\n");
+
+    return 0;
+}