# Implementation of List Adt Using Array Data Structure Source Code Programming

List of Adt using Array lab programming it has the header file Larry.h header file we include these header file in to the mail program of the source code in List Adt using Array programming .Data structure Lab Source code Programming algorithm - CS1152 c/c++
“Larray.h” file List Adt using Array Data Structure
#include<stdio.h>
#include<alloc.h>
#include<conio.h>
struct list
{
int capacity;
int size;
int *array;
};
typedef struct list *ptrToNode;
typedef ptrToNode LIST;
typedef int POSITION;

int Isempty(LIST L)
{
return L->size==0;
}

void MakeEmpty(LIST L)
{
if(Isempty(L))
else
{
L->size=0;
printf("\n Now List becomes Empty");
}
}

LIST Createlist(int max)
{
LIST L;
L=(struct list*)malloc(sizeof(struct list));
if(L==NULL)
printf("\n Fatal Error");
else
{
L->capacity=max;
L->array=(int*)malloc(sizeof(int)*max);
if(L->array==NULL)
printf("\n Fatal Error");
else
{
L->size=0;
printf("\n List is Created successfully");
}
}
return L;
}

int Isfull(LIST L)
{
return L->size==L->capacity;
}

void Insert(int x,LIST L,POSITION P)
{
int i;
if(Isfull(L))
printf("\n List is Full");
else
{
for(i=L->size-1;i>=P;i--)
L->array[i+1]=L->array[i];
L->size++;
L->array[P]=x;
}
}

POSITION Findprevious(int x,LIST L)
{
POSITION P;
P=-1;
while(P!=L->size&&L->array[P+1]!=x)
{
P++;
}
return P;
}

POSITION Find(int x,LIST L)
{
POSITION P;
P=0;
while(P!=L->size&&L->array[P]!=x)
{
P++;
}
return P;
}

void Delete(int x,LIST L)
{
int i;
POSITION P;
P=Find(x,L);
if(P==L->size)
else
{
for(i=P;i<L->size;i++)

L->array[i]=L->array[i+1];
L->size--;
}
}

LIST Deletelist(LIST L)
{
MakeEmpty(L);
free(L);
L=NULL;
return L;
}

void Display(LIST L)
{
int i;
for(i=0;i<L->size;i++)
printf("\n %d",L->array[i]);
}
“Larray.c” file List Adt using Array Data Structure
#include"Larray.h"
#include<stdlib.h>
void main()
{
LIST L=NULL;
POSITION P;
int a,choice,ch,element;
clrscr();
printf("\n\n1.Create\n2.Insert\n3.Delete\n4.Display\n5.MakeEmpty\n6.Find\n7.IsEmpty\n8.IsFull\n9.Deletelist\n10.Exit\n");
A:
printf("\n Enter Ur Option:\t");
scanf("%d",&choice);
switch(choice)
{
case 1:
if(L==NULL)
L=Createlist(5);
else
break;
case 2:
if(L==NULL)
printf("\nList is not yet created");
else
{
printf("\nEnter the Element to insert:\t");
scanf("%d",&element);
if(L->size==0)
Insert(element,L,0);

else
{
printf("\n where u want to insert?\t1:Front\t2:Back\t3:middle\t::: ");
scanf("%d",&ch);
if(ch==1)
Insert(element,L,0);
else
if(ch==2)
Insert(element,L,L->size);
else
if(ch==3)
{
printf("\nWhere you want to insert:\t");
scanf("%d",&a);
P=Find(a,L);
if(P<L->size)
Insert(element,L,P);
else
printf("\nElement is not in the list");
}
else
printf("\n Ur choice is not available");
}
}
break;
case 3:
if(L==NULL)
printf("\nList is not yet created");
if(Isempty(L))
printf("\nList is empty");
else
{
printf("\nEnter the element to delete:\t");
scanf("%d",&a);
Delete(a,L);
}
break;
case 4:
if(L==NULL)
printf("\nList is not yet created");
else
if(Isempty(L))
printf("\nList is empty");
else
{
printf("\nElements present in the list are:");
Display(L);
}
break;
case 5:
if(L==NULL)
printf("\n List is not yet created ");

else
MakeEmpty(L);
break;
case 6:
if(L==NULL)
printf("\n Not yet created");
else
if(Isempty(L))
printf("\n List is empty");
else
{
printf("\n which element is to find:\t");
scanf("%d",&a);
P=Find(a,L);
printf("\n Element is at %d\t[0 to 4 means present]\t[5 means not present]",P);
}
break;
case 7:
if(L==NULL)
printf("\n Not yet created");
else
if(Isempty(L))
printf("\n List is empty");
else
printf("\n List is not empty");
break;
case 8:
if(L==NULL)
printf("\n Not yet created");
else
if(Isfull(L))
printf("\n List is FULL");
else
printf("\n List is not FULL");
break;
case 9:
if(L==NULL)
printf("\n Not yet created");
else
{
L=Deletelist(L);
printf("\n List is Deleted");
}
break;
case 10:
exit (0);
break;
default:
printf("\n\n *******WRONG ENTRY*******");
break;
}
goto A;
}
OUTPUT List Adt using Array Data Structure Data structure Lab Source code Programming algorithm - CS1152 c/c++
1.Create
2.Insert
3.Delete
4.Display
5.MakeEmpty
6.Find
7.IsEmpty
8.IsFull
9.Deletelist
10.Exit
Enter Ur Option: 1
List is created successfully
Enter Ur Option: 2
Enter the element to insert: 300
Enter Ur Option: 2
Enter the element to insert: 100
Where U want to insert? 1.Front 2.Back 3.Middle ::::: 1
Enter Ur Option: 2
Enter the element to insert: 200
Where U want to insert? 1.Front 2.Back 3.Middle ::::: 3
Enter Ur Option: 2
Enter the element to insert: 400
Where U want to insert? 1.Front 2.Back 3.Middle ::::: 2
Enter Ur Option: 2
Enter the element to insert: 500
Where U want to insert? 1.Front 2.Back 3.Middle ::::: 2
Enter Ur Option: 2
Enter the element to insert: 600
Where U want to insert? 1.Front 2.Back 3.Middle ::::: 1
List is Full
Enter Ur Option: 4
Elements present in the list are
100
200
300
400
500
Enter Ur Option: 7
List is not empty
Enter Ur Option: 6
Which element is to find: 500
Element at 4 [0 to 4 – present] [5 – not present]
Enter Ur Option: 3
Enter the element to delete: 300
Enter Ur Option: 4
Elements present in the list are:
100
200
400
500
Enter Ur Option: 8
List is not Full
Enter Ur Option: 5
Now List becomes Empty
Enter Ur Option: 9
List is Deleted
Enter Ur Option: 2
List is not yet created
Enter Ur Option: 12
*******WRONG ENTRY*******
Enter Ur Option: 10