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#include<stdio.h>
#include<stdlib.h>
struct node{
int data1,data2;
char h;
struct node *next;
};
struct node *head;
void creat_node()
{
struct node *fnode,*temp;
fnode=(struct node*)malloc(sizeof(struct node));
printf("enter first value of fnode:\n");
scanf("%d %d %c",&fnode->data1,&fnode->data2,&fnode->h);
head=fnode;
temp=head;
int num;
scanf("%d",&num);
for(int i=1;i<num;i++)
{
struct node *newnode;
newnode=(struct node*)malloc(sizeof(struct node));
scanf("%d %d %c",&newnode->data1,newnode->data2,newnode->h);
newnode->next=NULL;
temp->next=newnode;
temp=temp->next;
}
}
void insert()
{
struct node *newnode;
newnode=(struct node*)malloc(sizeof(struct node));
scanf("%d %d %c",&newnode->data1,newnode->data2,newnode->h);
newnode->next=head;
head=newnode;
}
void tail()
{
struct node *newnode,*temp;
temp=head;
newnode=(struct node*)malloc(sizeof(struct node));
scanf("%d %d %c",&newnode->data1,newnode->data2,newnode->h);
newnode->next=NULL;
while( newnode->next!=NULL)
{
temp=temp->next;
}
temp->next=newnode;
}
void mid()
{
struct node *newnode,*temp;
temp=head;
int n;
scanf("%d",&n);
newnode=(struct node*)malloc(sizeof(struct node));
scanf("%d %d %c",&newnode->data1,newnode->data2,newnode->h);
for( int i=1;i<n-1;i++)
{
temp=temp->next;
}
newnode->next=temp->next;
temp->next=newnode;
}
void display()
{
struct node *temp;
temp=head;
while(temp!=NULL)
{
printf("%d %d %c\n",temp->data1,temp->data2,temp->h);
temp=temp->next;
}
}
int main()
{
creat_node();
display();
printf("\n");
insert();
display();
printf("\n");
tail();
display();
printf("\n");
mid();
display();
}
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