fork download
copy 
  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4.  
  5. typedef struct node{
  6.     int val;
  7.     struct node * next;
  8. }node;
  9.  
  10. void push(int val, node **head){
  11.     node* temp=(node*)malloc(sizeof(node));
  12.     if (!temp) printf("Oh no!\n");
  13.     node* current=*head;
  14.     temp->val=val;
  15.     if( (*head) == NULL)
  16.         { printf("NULL!\n");}
  17.     else
  18.         {printf("NOT!\n");}
  19.  }
  20.  
  21. int reverse(node * head){
  22.    node *previous = NULL;
  23.    node *current = head;
  24.    node *forward;
  25.    while (current != NULL) {
  26.        forward = current->next;
  27.        current->next = previous;
  28.        previous = current;
  29.        current = forward;
  30.       }
  31.     return previous;
  32.  
  33.    }
  34.  
  35.  void print(node *new_head){
  36.  
  37.     node* current2=new_head;
  38.     current2=current2->next;
  39.     while(current2!=NULL)
  40.      {
  41.        printf("%d", current2->val);
  42.        current2=current2->next;
  43.       }
  44.  
  45. }
  46.  
  47. int main()
  48. {   node * head= NULL;
  49.     int n;
  50.     node * new_head;
  51.     scanf("%d", &n);
  52.     push(n,head);
  53.     // scanf("%d", &n);
  54.     // push(n,head);
  55.     // scanf("%d", &n);
  56.     // push(n,head);
  57.     // new_head=reverse(head);
  58.     // print(new_head);
  59.  
  60.     return 0;}
  61.  
Runtime error #stdin #stdout 0s 2424KB
comments (?)
stdin
copy 
1
stdout
copy 
Standard output is empty
https://ideone.com/UzUnPT
language:
C (gcc 8.3)
created:
11 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!