View difference between Paste ID: fgTdt6V7 and DbyZmgAP

 #include <iostream>
 
 using namespace std;
 
 class Node{
 public:
     int v;
     Node* next;
 };
 
 void vuvod(Node*z){
      while(z>0){
           cout<<z->v<<endl;
           z=(*z).next;
      }
 }
 
 
 void push(Node** toot,int a){
     Node*m=new Node;
     m->v=a;
     m->next=0;
     *toot=m;
 }
 
 int main()
 {
 
     Node*a=new Node;
     Node*root=0;
     Node*b=new Node;
 
     a->v=1;
     a->next=root;
     cout<<"push\n";
 
     push(&root,2);
     b=root;
     a->next=b;
 
     push(&root,3);
     b->next=root;
     b=root;
 
     push(&root,4);
     b->next=root;
     b=root;
 
     push(&root,5);
     b->next=root;
     b=root;
 
     vuvod(a);
 
     delete a;
     delete b;
     delete root;
 }