Answer Posted / sasa zezo

please help me i can't understand this program?


#include<stdio.h>
#include<stdlib.h>
struct node
{
int data;
struct node *next;
};
struct node *create(int n)
{
struct node *head;
head=(struct node*)malloc(sizeof(struct node));
if(head==NULL)
{
printf("no memory space");
exit(0);
}
else
{
head->data=n;
head->next=NULL;
}
return head;
}
void print(struct node * p)
{
printf("\n the new linked list is \n");
while(p!=NULL)
{
printf(" %d \t ",p->data);
p = p->next ;
}
printf("\n");
}
struct node * deletelast(struct node * p)
{
struct node *prev,*curr;
curr=p;
prev=NULL;
while(curr->next!=NULL)
{
prev=curr;
curr=curr->next;
}
prev->next=NULL;
free(curr);
return p;
}
struct node * deletefrst(struct node * p)
{
struct node *curr;
curr=p;
p=p->next;
free(curr);
return p;
}
struct node * deletenode(struct node * p , int x)
{
struct node *prev,*curr;

curr=p;
prev=NULL;
while((curr->data!=x)&&(curr->next!=NULL))
{ prev=curr;
curr=curr->next;}

if((curr->next==NULL)&&(curr->data!=x))
{ printf("the element x is not found");
prev->next=NULL;
free(curr);}
else {
prev->next=curr->next;
free(curr);}
return p;
}
int count(struct node * p)
{
struct node *curr;
int i=0;
curr=p;
while(curr!=NULL)
{
curr=curr->next;
i++;
}
return i;
}
struct node * insertfrst(struct node * p , int n)
{
struct node * temp;
temp=(struct node*)malloc(sizeof(struct node));
if(temp==NULL)
{
printf("no memory space");
exit(0);
}
else
{
temp->data=n;
temp->next=p;
p=temp;
}
return temp;
}
struct node *insertlast(struct node * p,int n)
{
struct node *temp,*curr;
temp=(struct node*)malloc(sizeof(struct node));
if(temp==NULL)
{
printf("no memory space");
exit(0);
}
curr=p;
while(curr->next!=NULL)
{
curr=curr->next;
}
temp->data=n;

temp->next=NULL;
curr->next=temp;
return p;
}

struct node * insertbefor(struct node * p,int n,int x)
{
struct node *temp,*prev,*curr;
temp=(struct node*)malloc(sizeof(struct node));
if(temp==NULL)
{

printf("no memory space");
exit(0);}
curr=p;
prev=NULL;
while((curr->data!=x)&&(curr->next!=NULL))
{ prev=curr;
curr=curr->next;}
if((curr->next==NULL)&&(curr->data!=x))
{ printf("the element x is not found");
temp->data=n;
temp->next=NULL;
curr->next=temp;}
else
{temp->data=n;
temp->next=curr;
prev->next=temp;}
return p;}
void main()
{
struct node * p;
int i;
p=create(20);
print(p);
for( i=1;i<=4;i++)
p=insertfrst(p,i);
print(p);
p=insertlast(p,34);
print(p);
p=insertbefor(p,77,34);
print(p); p=delete¬node(p,34);
print(p);
p=deletelast(p);
print(p);
p=deletefrst(p);
print(p);}

Where can I get an ansi-compatible lint?

1125

---

write a program to input 10 strings and compare without using strcmp() function. If the character of one string matches with the characters of another string , sort them and make it a single string ??? example:- str1="Aakash" st2="Himanshu" str="Uday" output:- Aakashimanshuday (please post the answer as quickly as possible)

2086

---

What is the use of ?

1024

---

where are auto variables stored? What are the characteristics of an auto variable?

1057

---

How can I rethow can I return a sequence of random numbers which dont repeat at all?

1180

---

What is spaghetti programming?

1108

---

Explain the use of bit fieild.

1128

---

FILE PROGRAMMING

2213

---

#include main() { char s[] = "Bouquets and Brickbats"; printf(" %c, ",*(&s[2])); printf("%s, ",s+5); printf(" %s",s); printf(" %c",*(s+2)); }

1120

---

while initialization of array why we use a[][2] why not a[2][]...?

2342

---

Does * p ++ increment p or what it points to?

1103

---

What is #define used for in c?

1047

---

Explain what is the difference between the expression '++a' and 'a++'?

1201

---

Write a program of advanced Fibonacci series.

1129

---

Q.1 write a program to create binary tree 1 to 16 numbers? Q.2 write a program to creat a binary search tree for the member that is given by user?

2528

---