diff --git a/assignment-31 (double-ended queue).cpp b/assignment-31 (double-ended queue).cpp
deleted file mode 100644
index 45f2c65..0000000
--- a/assignment-31 (double-ended queue).cpp	
+++ /dev/null
@@ -1,210 +0,0 @@
-#include <iostream>
-using namespace std;
-
-#define SIZE 5
-
-class Dequeue
-{
-
-    int a[10], front, rear, count;
-
-public:
-    Dequeue()
-    {
-        front = -1;
-        rear = -1;
-        count = 0;
-    }
-    void addBegin(int item)
-    {
-        int i;
-        if (front == -1)
-        {
-            front++;
-            rear++;
-            a[rear] = item;
-            count++;
-        }
-        else if (rear >= SIZE - 1)
-        {
-            cout << "\nInsertion is not possible,overflow!!!!";
-        }
-        else
-        {
-            for (i = count; i >= 0; i--)
-            {
-                a[i] = a[i - 1];
-            }
-            a[i] = item;
-            count++;
-            rear++;
-        }
-    }
-    void addEnd(int item)
-    {
-
-        if (front == -1)
-        {
-            front++;
-            rear++;
-            a[rear] = item;
-            count++;
-        }
-        else if (rear >= SIZE - 1)
-        {
-            cout << "\nInsertion is not possible,overflow!!!";
-            return;
-        }
-        else
-        {
-            a[++rear] = item;
-        }
-    }
-    void deleteFront()
-    {
-        if (front == -1)
-        {
-            cout << "Deletion is not possible:: Dequeue is empty";
-            return;
-        }
-        else
-        {
-            if (front == rear)
-            {
-                front = rear = -1;
-                return;
-            }
-            cout << "The deleted element is " << a[front];
-            front = front + 1;
-        }
-    }
-    void deleteEnd()
-    {
-        if (front == -1)
-        {
-            cout << "Deletion is not possible:Dequeue is empty";
-            return;
-        }
-        else
-        {
-            if (front == rear)
-            {
-                front = rear = -1;
-            }
-            cout << "The deleted element is " << a[rear];
-            rear = rear - 1;
-        }
-    }
-    void display()
-    {
-
-        for (int i = front; i <= rear; i++)
-        {
-            cout << a[i] << " ";
-        }
-    }
-};
-
-int main()
-{
-    int c, item;
-    Dequeue d1;
-
-    do
-    {
-        cout << "\n\n****DEQUEUE OPERATION****\n";
-        cout << "\n1-Insert at beginning";
-        cout << "\n2-Insert at end";
-        cout << "\n3_Display";
-        cout << "\n4_Deletion from front";
-        cout << "\n5-Deletion from rear";
-        cout << "\n6_Exit";
-        cout << "\nEnter your choice<1-6>:";
-        cin >> c;
-
-        switch (c)
-        {
-        case 1:
-            cout << "Enter the element to be inserted:";
-            cin >> item;
-            d1.addBegin(item);
-            break;
-
-        case 2:
-            cout << "Enter the element to be inserted:";
-            cin >> item;
-            d1.addEnd(item);
-            break;
-
-        case 3:
-            d1.display();
-            break;
-
-        case 4:
-            d1.deleteFront();
-            break;
-        case 5:
-            d1.deleteEnd();
-            break;
-
-        case 6:
-            exit(1);
-            break;
-
-        default:
-            cout << "Invalid choice";
-            break;
-        }
-
-    } while (c != 7);
-    return 0;
-}
-
-/* ~~~~~~~~~~~~~~~~~~~~~~~~~~ Output ~~~~~~~~~~~~~~~~~~~~~~~~~ 
-
-****DEQUEUE OPERATION****
-
-1-Insert at beginning
-2-Insert at end
-3_Display
-4_Deletion from front
-5-Deletion from rear
-6_Exit
-Enter your choice<1-6>:1
-Enter the element to be inserted:10
-
-
-****DEQUEUE OPERATION****
-
-1-Insert at beginning
-2-Insert at end
-3_Display
-4_Deletion from front
-5-Deletion from rear
-6_Exit
-Enter your choice<1-6>:2
-Enter the element to be inserted:50
-
-
-****DEQUEUE OPERATION****
-
-1-Insert at beginning
-2-Insert at end
-3_Display
-4_Deletion from front
-5-Deletion from rear
-6_Exit
-Enter your choice<1-6>:4
-The deleted element is 10
-
-****DEQUEUE OPERATION****
-
-1-Insert at beginning
-2-Insert at end
-3_Display
-4_Deletion from front
-5-Deletion from rear
-6_Exit
-Enter your choice<1-6>:6
-
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
diff --git a/assignment-32 (circular queue).cpp b/assignment-32 (circular queue).cpp
deleted file mode 100644
index 280094b..0000000
--- a/assignment-32 (circular queue).cpp	
+++ /dev/null
@@ -1,190 +0,0 @@
-#include <iostream>
-using namespace std;
-
-#define size 5
-
-class pizza
-{
-    int porder[size];
-    int front, rear;
-
-public:
-    pizza()
-    {
-        front = rear = -1;
-    }
-    int qfull()
-    {
-        if (front == (rear + 1) % size)
-            return 1;
-        else
-            return 0;
-    }
-    int qempty()
-    {
-        if (front == -1)
-            return 1;
-        else
-            return 0;
-    }
-    void accept_order(int item)
-    {
-        if (qfull())
-            cout << "\nVery Sorry !!!! No more orders....\n";
-        else
-        {
-            if (front == -1)
-            {
-                front = rear = 0;
-            }
-            else
-            {
-                rear = (rear + 1) % size;
-            }
-            porder[rear] = item;
-        }
-    }
-    void make_payment(int n)
-    {
-        int item;
-        char ans;
-        if (qempty())
-            cout << "\nSorry !!! order is not there...\n";
-        else
-        {
-            cout << "\nDeliverd orders as follows...\n";
-            for (int i = 0; i < n; i++)
-            {
-                item = porder[front];
-                if (front == rear)
-                {
-                    front = rear = -1;
-                }
-                else
-                {
-                    front = (front + 1) % size;
-                }
-                cout << "\t" << item;
-            }
-            cout << "\nTotal amount to pay : " << n * 100;
-            cout << "\nThank you visit Again....\n";
-        }
-    }
-    void order_in_queue()
-    {
-        int temp;
-        if (qempty())
-        {
-            cout << "\nSorry !! There is no pending order...\n";
-        }
-        else
-        {
-            temp = front;
-            cout << "\nPending Order as follows..\n";
-            while (temp != rear)
-            {
-                cout << "\t" << porder[temp];
-                temp = (temp + 1) % size;
-            }
-            cout << "\t" << porder[temp];
-        }
-    }
-};
-
-int main()
-{
-    pizza p1;
-    int ch, k, n;
-    do
-    {
-        cout << "\n\t***** Welcome To Pizza Parlor *******\n";
-        cout << "\n1.Accept order\n2.Make_payment\n3.Pending Orders\nEnter u r choice:";
-        cin >> ch;
-        switch (ch)
-        {
-        case 1:
-            cout << "\nWhich Pizza would do u like to have today\n";
-            cout << "\n1.Veg Soya Pizza\n2.Veg butter Pizza\n3.Egg_Pizza";
-            cout << "\nPlease enter your order: ";
-            cin >> k;
-            p1.accept_order(k);
-            break;
-        case 2:
-            cout << "\nHow many Pizza ?";
-            cin >> n;
-            p1.make_payment(n);
-            break;
-        case 3:
-            cout << "\n Following orders are in queue to deliver....as follows..\n";
-            p1.order_in_queue();
-            break;
-        }
-    } while (ch != 4);
-
-    return 0;
-}
-
-/* ~~~~~~~~~~~~~~~~~~~~~~~ Output ~~~~~~~~~~~~~~~~~~~~~~~ 
-
-        ***** Welcome To Pizza Parlor *******
-
-1.Accept order
-2.Make_payment
-3.Pending Orders
-Enter u r choice:1
-
-Which Pizza would do u like to have today
-
-1.Veg Soya Pizza
-2.Veg butter Pizza
-3.Egg_Pizza
-Please enter your order: 1
-
-        ***** Welcome To Pizza Parlor *******
-
-1.Accept order
-2.Make_payment
-3.Pending Orders
-Enter u r choice:2
-
-How many Pizza ?10
-
-Deliverd orders as follows...
-        1       2       2       2       2       2       2       2       2      2
-Total amount to pay : 1000
-Thank you visit Again....
-
-        ***** Welcome To Pizza Parlor *******
-
-1.Accept order
-2.Make_payment
-3.Pending Orders
-Enter u r choice:3
-
- Following orders are in queue to deliver....as follows..
-
-    Sorry !! There is no pending order...
-
-            ***** Welcome To Pizza Parlor *******
-
-    1.Accept order
-    2.Make_payment
-    3.Pending Orders
-    Enter u r choice:1
-
-    Which Pizza would do u like to have today
-
-    1.Veg Soya Pizza
-    2.Veg butter Pizza
-    3.Egg_Pizza
-    Please enter your order: 3
-
-            ***** Welcome To Pizza Parlor *******
-
-    1.Accept order
-    2.Make_payment
-    3.Pending Orders
-    Enter u r choice:
-    4
-
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
\ No newline at end of file