Project 1 - Creation of user defined data type to implement the user interfaces for working with ‘Set’ (Mathematical Set theory) using Linked List
#include<stdbool.h>
#include<stdio.h>
#include<stdlib.h>
//Link list node
struct Node {
int data;
struct Node* next;
};
//function declaration
void push(struct Node** head_ref,int new_data);
int isPresent(Struct Node*head,int data);
//Function to get union of two linked lists head1 and head2
struct Node*getUnion(struct Node*head1,struct Node* head2)
{
struct Node*result =NULL;
struct Node *t1 =head1,*t2=head2;
//Insert all element of list1 to the result list
while (t1 !=NULL)
{
push(&result, t1->data);
t1=t1->next;
}
//insert those elements of list2 which are not present in result list
while (t2 !=NULL)
{
if (!isPresent(result,t2->data))
{
push(&result,t2->data);
}
t2 =t2->next;
}
return result;
}
//Function to get intersection of two linked lists head1 and head2
struct Node* get Intersection(struct Node* head1,struct Node* head2)
{
struct Node* result =NULL;
struct Node*t1=head1;
//Traverse list1 and search each element of it in list2.If the element is present in list 2,then insert the element to result
while (t1 !=NULL)
{
if (isPresent(head2,t1->data))
{
push(&result, t1->data);
}
t1 =t1->next;
}
return result ;
}
//A utility function to insert a node at the beginning of a linked list
void push(struct Node**head_ref, int new_data)
{
//allocate node
struct Node* new_node = (struct Node*)malloc(size of (struct Node));
//put in the data
new_node->data = new_data;
//link the old list off the new node
new_node->next =(*head_ref);
//move the head to point to the new node
(*head_ref) =new_node;
}
//Function to print a linked list
void printList(struct Node* node)
{
while (node!=NULL)
{
printf("%d",node->data);
node = node->next;
}
}
//function that return true if data is present in linked list else return false
int isPresent(struct Node* head,intdata)
{
struct Node* t =head;
while (t!=NULL)
{
if (t->data == data)
{
return 1;
}
t = t->next;
}
return 0;
}
//Driver program to test above function
int main()
{
int n,m,temp;
printf("enter the value of number of value in link (both):-");
fflush(stdout);
scanf("%d %d",&n,&m);
//starth structure pointer with the empty list
struct Node* head1 =NULL;
struct Node*head2 =NULL;
struct Node*intersecn =NULL;
struct Node*unin =NULL;
//for loop forlink list1
for(int i=0;i<n;i++)
{
printf("Enter the value in link list1 %d:-",i);
fflush(stdout);
scanf("%d",&temp);
push(&head1, temp);
}
//for loop for link list2
for(int i=0;i<m;i++)
{
printf("Enter the value in link list2 %d:-",i);
fflush(stdout);
scanf("%d",&temp);
push(&head2,temp);
}
//call the function of intersection
intersecn = getIntersection(head1,head2);
//call the function of union
unin = getUnion(head1, head2);
printf("\n First list is ");
//function calling with structure pointer as argument
printList(head1);
printf("\n Second list is ");
printList(head2);
printf("\n Intersection list is");
printList(intersecn);
printf("\n Unin list is");
printList(unin);
return 0;
}