fork download
copy 
  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class List{
  5.     private:
  6.         typedef struct Node{
  7.             int data;
  8.             struct Node* next;
  9.         }* node;
  10.  
  11.         node head;
  12.         int listLength;
  13.  
  14.     public:
  15.         List();
  16.         List(int data, node nextLink);
  17.         void printList();
  18.         void push(int data);
  19.         void Delete(int d);
  20.         int listSize(void);
  21. };
  22.  
  23. List::List(){
  24.     head = NULL;
  25.     listLength=0;
  26. }
  27.  
  28. List::List(int data, node nextLink){
  29.     head = new Node;
  30.     head->data = data;
  31.     head->next = nextLink;
  32.     listLength = 1;
  33. }
  34.  
  35. void List::push(int data){
  36.     if(head==NULL){
  37.     	head = new Node; // added this line
  38.         head->data=data; 
  39.         head->next= NULL;
  40.     }else{
  41.         node cursor = head;
  42.         while(cursor->next != NULL)
  43.             cursor = cursor -> next;
  44.  
  45.         node newNode= new Node;
  46.         newNode->data=data;
  47.         newNode->next=NULL;
  48.         cursor->next= newNode;
  49.     }
  50.     listLength++;
  51. }
  52.  
  53. void List::printList(){
  54.     node cursor=head;
  55.     while(cursor!=NULL){
  56.         //if(cursor->data==0){cursor=cursor->next;}
  57.         if(cursor->next==NULL){
  58.             cout<<cursor->data<<endl;
  59.             return;
  60.         }
  61.         else{
  62.             cout<<cursor->data<<" -> ";
  63.             cursor=cursor->next;
  64.         }
  65.  
  66.     }
  67.     cout<<endl;
  68. }
  69. int main(){ 
  70.     List li;
  71.     li.push(2);
  72.     li.push(3);
  73.     li.push(0);
  74.     li.push(4);
  75.     li.printList();
  76.     return 0;
  77. }
Success #stdin #stdout 0s 3412KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
2 -> 3 -> 0 -> 4
https://ideone.com/8HDsTA
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!