File size: 2,275 Bytes
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class Ins{
static Node first, last,t;
static class Node{
int data;
Node next;
Node(int d){
data = d;
next = null;
}
}
void create(int a[], int n){
first = new Node(a[0]);
last = first;
for(int i=1;i<n;i++){
t = new Node(a[i]);
last.next = t;
last = t;
}
}
void Display(Node n){
while(n!=null){
System.out.print(n.data+" ");
n = n.next;
}
}
int Length(Node n){
if(n!=null){
return Length(n.next)+1;
}
else{
return 0;
}
}
void Insert(Node n, int index, int x){
if(index<0 || index>Length(n)){
return;
}
t = new Node(x);
if(index==0){
first = t;
}
else{
for(int i=0;i<index-1;i++){
n = n.next;
}
t.next = n.next;
n.next = t;
}
}
void Delete(Node p, int index){
Node q = null;
if(index<0 || index>Length(p)){
return;
}
if(index==0){
first = first.next;
}
else{
for(int i=0;i<index-1;i++){
q = p;
p = p.next;
}
q.next = p.next;
q = p.next;
}
}
void RemDup(Node n){
Node q = n.next;
if(n==null){
return;
}
while(q!=null && n.data!=q.data){
n =q;
q = q.next;
}
n.next = q.next;
q = n.next;
}
void Rev(Node p){
Node q = p;
int a[] = new int[Length(p)];
int i=0;
while(q!=null){
a[i] = q.data;
q = q.next;
i++;
}
i--;
q = p;
while(q!=null){
q.data = a[i--];
q = q.next;
}
}
void Revn(Node p){
Node q =null,r = null;
while(p!=null){
r = q;
q = p;
p = p.next;
q.next = r;
}
first= q;
}
void Rv(Node q, Node p){
if(p!=null){
Rv(p,p.next);
p.next = q;
}
else{
first = q;
}
}
public static void main(String[] args){
Ins l = new Ins();
int a[] = {1,2,2,2,5};
int n = a.length;
l.create(a,n);
l.Insert(l.first,2,32);
l.Display(l.first);
System.out.println();
l.Delete(l.first, 2);
l.Display(l.first);
System.out.println();
l.Revn(l.first);
l.Display(l.first);
}
}
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