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3 729
struct node
{
int data;
struct node*next;
};
struct node *start=0;
struct node *cn()
{
struct node *k1;
k1=(struct node *)malloc(sizeof(struct node));
printf("Enter a data:");
scanf("%d",&k1->data);
k1->next=k1;
return k1;
}
void is()
{
struct node *h1,*t1;
h1=cn();
if(start==0)
{
start=h1;
}
else
{
t1=start;
while(t1->next!=start)
{
t1=t1->next;
}
h1->next=start;
start=h1;
t1->next=h1;
}
}
void ie()
{
struct node *b1,*k1;
b1=cn();
if(start==0)
{
start=b1;
}
else
{
k1=start;
while(k1->next!=start)
k1=k1->next;
k1->next=b1;
b1->next=start;
}
}
im()
{
}
void ds()
{
struct node *g1;
if(start==0)
{
printf("There is no any node to delete");
}
else
{
g1=start;
while(g1->next!=start)
{
g1=g1->next;
}
g1->next=start->next;
g1=start;
start=start->next;
g1->next=0;
free(g1);
}
}
void de()
{
struct node *a1,*p1;
if(start==0)
{
printf("There is no any node to delete");
}
else
{
a1=start;
while(a1->next->next!=start)
{
a1=a1->next;
}
p1=a1->next;
a1->next=start;
p1->next=0;
free(p1);
}
}
dm()
{
}
void display()
{
struct node *g1;
if(start==0)
{
printf("There is no any node to display.");
}
else
{
g1=start;
while(g1->next!=start)
{
printf("%d ",g1->data);
g1=g1->next;
}
printf("%d",g1->data);
}
}
void main()
{
int ch;
printf("\n1. Insert from start");
printf("\n2. Insert from end");
printf("\n3. Insert from middle");
printf("\n4. Delete from start");
printf("\n5. Delete from end");
printf("\n6. Delete from middle");
printf("\n7. Display");
printf("\n8. Exit");
while(1)
{
printf("\nEnter Your choice:");
scanf("%d",&ch);
switch(ch)
{
case 1:
{
is();
break;
}
case 2:
{
ie();
break;
}
case 3:
{
im();
break;
}
case 4:
{
ds();
break;
}
case 5:
{
de();
break;
}
case 6:
{
dm();
break;
}
case 7:
{
display();
break;
}
case 8:
{
exit(0);
}
default:
{
printf("Wrong Input");
}
}
}
getch();
}
3 729
struct node
{
int data;
struct node*next;
};
struct node *start=0;
cn()
{
}
is()
{
}
ie()
{
}
im()
{
}
ds()
{
}
de()
{
}
dm()
{
}
display()
{
}
void main()
{
printf("\n1. Insert from start");
printf("\n2. Insert from end");
printf("\n3. Insert from middle");
printf("\n4. Delete from start");
printf("\n5. Delete from end");
printf("\n6. Delete from middle");
printf("\n7. Display");
printf("\n8. Exit");
while(1)
{
printf("\nEnter Your choice:");
scanf("%d",&ch);
switch(ch)
{
case 1:
{
is();
break;
}
case 2:
{
ie();
break;
}
case 3:
{
im();
break;
}
case 4:
{
ds();
break;
}
case 5:
{
de();
break;
}
case 6:
{
dm();
break;
}
case 7:
{
display();
break;
}
case 8:
{
exit(0);
}
default:
{
printf("Wrong Input");
}
}
}
getch();
}
3 729
struct node
{
int data;
struct node *next;
};
struct node *start=0;
struct node *cn()
{
struct node *d1;
d1=(struct node *)malloc(sizeof(struct node));
printf("Enter a data:");
scanf("%d",&d1->data);
d1->next=0;
return d1;
}
void is()
{
struct node *h1;
h1=cn();
if(start==0)
{
start=h1;
}
else
{
h1->next=start;
start=h1;
}
}
void ie()
{
struct node *t1,*h1;
t1=cn();
if(start==0)
{
start=t1;
}
else
{
h1=start;
while(h1->next!=0)
{
h1=h1->next;
}
h1->next=t1;
}
}
im()
{
}
void ds()
{
struct node *s1;
if(start==0)
{
printf("There is no any node to delete");
}
else
{
s1=start;
start=start->next;
s1->next=0;
free(s1);
}
}
void de()
{
struct node *ptr1,*ptr8;
if(start==0)
{
printf("There is no any node to delete");
}
else
{
ptr1=start;
while(ptr1->next->next!=0)
{
ptr1=ptr1->next;
}
ptr8=ptr1->next;
ptr1->next=0;
free(ptr8);
printf("Node deleted successfully");
}
}
dm()
{
}
void display()
{
struct node *p1;
if(start==0)
{
printf("There is no any node to display");
}
else
{
p1=start;
while(p1!=0)
{
printf("%d ",p1->data);
p1=p1->next;
}
}
}
void main()
{
int ch;
printf("\n1. Insert from start.");
printf("\n2. Insert from end");
printf("\n3. Insert from middle");
printf("\n4. Delete from start");
printf("\n5. Delete from end");
printf("\n6. Delete from middle");
printf("\n7. Display");
printf("\n8. Exit");
while(1)
{
printf("\nEnter your choice:");
scanf("%d",&ch);
switch(ch)
{
case 1:
{
is();
break;
}
case 2:
{
ie();
break;
}
case 3:
{
im();
break;
}
case 4:
{
ds();
break;
}
case 5:
{
de();
break;
}
case 6:
{
dm();
break;
}
case 7:
{
display();
break;
}
case 8:
{
exit(0);
}
default:
{
printf("Wrong Input.");
}
}
}
getch();
}
3 729
struct node
{
int data;
struct node *next;
};
struct node *start=0;
struct node *createNode()
{
struct node *p1;
p1=(struct node *)malloc(sizeof(struct node));
printf("Enter a data:");
scanf("%d",&p1->data);
p1->next=0;
return p1;
}
insertStart()
{
struct node *k1;
k1=createNode();
if(start==0)
{
start=k1;
}
else
{
k1->next=start;
start=k1;
}
}
insertEnd()
{
}
insertMiddle()
{
}
deleteStart()
{
struct node *i1;
if(start==0)
{
printf("There is no any node to delete");
}
else
{
i1=start;
start=start->next;
i1->next=0;
free(i1);
printf("Node deleted successfully");
}
}
deleteEnd()
{
}
deleteMiddle()
{
}
display()
{
struct node *h1;
if(start==0)
{
printf("There is no any node to display");
}
else
{
h1=start;
while(h1!=0)
{
printf("%d ",h1->data);
h1=h1->next;
}
}
}
void main()
{
int ch;
printf("\n1. Insert from start");
printf("\n2. Insert from End");
printf("\n3. Insert from Middle");
printf("\n4. Delete from start");
printf("\n5. Delete from end");
printf("\n6. Delete from middle");
printf("\n7. Display");
printf("\n8. Exit");
while(1)
{
printf("\n\nEnter your choice:");
scanf("%d",&ch);
switch(ch)
{
case 1:
{
insertStart();
break;
}
case 2:
{
insertEnd();
break;
}
case 3:
{
insertMiddle();
break;
}
case 4:
{
deleteStart();
break;
}
case 5:
{
deleteEnd();
break;
}
case 6:
{
deleteMiddle();
break;
}
case 7:
{
display();
break;
}
case 8:
{
exit(0);
}
default:
{
printf("Wrong Input");
}
}
}
getch();
}
3 729
https://youtube.com/playlist?list=PLZlEBHEeC6tXuF4N6QwgkI0rAL4esMNDO&si=88ff5fhRBO1qCK2Y
This is the playlist of Python Free batch.
No need to Join any free batch.
3 729
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
class Login extends JFrame
{
JLabel l1,l2,l3;
JTextField t1;
JButton b1,b2,b3;
JPasswordField t2;
Login(String s1)
{
super(s1);
}
Login()
{
}
void setComponents()
{
l1=new JLabel("Username");
l2=new JLabel("Password");
l3=new JLabel();
t1=new JTextField();
t2=new JPasswordField();
b1=new JButton("Sign In");
b2=new JButton("Clear");
b3=new JButton("Add");
setLayout(null);
l1.setBounds(100,100,120,30);
l2.setBounds(100,300,120,30);
l3.setBounds(100,600,200,30);
t1.setBounds(400,100,120,30);
t2.setBounds(400,300,120,30);
b1.setBounds(300,500,120,30);
b2.setBounds(500,500,120,30);
b3.setBounds(100,500,120,30);
add(l1);
add(l2);
add(t1);
add(t2);
add(b1);
add(l3);
add(b2);
add(b3);
b1.addActionListener(new Log());
b2.addActionListener(new Clear());
b3.addActionListener(new Add());
}
public static void main(String []args)
{
Login l1=new Login("Welcome to CoDing SeeKho");
l1.setComponents();
l1.setSize(700,700);
l1.setVisible(true);
l1.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
class Log implements ActionListener
{
public void actionPerformed(ActionEvent e1)
{
String s1=t1.getText();
String s2=t2.getText();
if(s1.equals("CoDing") && s2.equals("SeeKho"))
{
l3.setText("Login Successful");
}
else
{
l3.setText("Login UnSuccessful");
}
}
}
class Clear implements ActionListener
{
public void actionPerformed(ActionEvent e1)
{
t1.setText("");
t2.setText("");
}
}
class Add implements ActionListener
{
public void actionPerformed(ActionEvent e1)
{
String s1=t1.getText();
String s2=t2.getText();
int a=Integer.parseInt(s1);
int b=Integer.parseInt(s2);
int c=a+b;
l3.setText("Addition is "+c);
}
}
}
