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  1. #include<stdio.h>
  2. #include<stdlib.h>
  3.  
  4. typedef struct node
  5. {
  6.     int data;
  7.     struct node *next;
  8. } node;
  9.  
  10. node * mknode()
  11. {
  12.     return malloc(sizeof(node));
  13. }
  14.  
  15. void create(node *h, int num)
  16. {
  17.     int i = 0;
  18.     h->data = i;
  19.  
  20.     for(i = 1; i < num; i++)
  21.     {
  22.         h->next = mknode();
  23.         h = h->next;
  24.         h->data = i;
  25.     }
  26.     h->next = NULL;
  27. }
  28.  
  29. void display(node *h)
  30. {   
  31.     while(1)
  32.     {
  33.         printf("%d", h->data);
  34.         h = h->next;
  35.         if (h != NULL)
  36.             printf("%s", "->");
  37.         else
  38.             break;
  39.     }
  40. }
  41.  
  42. void append_end(node *h, int val)
  43. {
  44.     while(h->next != NULL)
  45.     	h = h->next;
  46.  
  47.     h->next = mknode();
  48.     h->next->data = val;
  49.     h->next->next = NULL;
  50. }
  51.  
  52. void free_list(node *h)
  53. {
  54.     node * tail;
  55.  
  56.     while(h != NULL)
  57.     {
  58.         tail = h->next;
  59.         free(h);
  60.         h = tail;
  61.     }
  62. }
  63.  
  64. int main()
  65. {
  66.     node * head = mknode();
  67.     int num;
  68.  
  69.     scanf("%d",&num);
  70.     create(head, num);
  71.  
  72.     append_end(head,5);
  73.     append_end(head,6);
  74.  
  75.     display(head);
  76.     free_list(head);
  77.     return 0;
  78. }
Success #stdin #stdout 0.01s 1856KB
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stdin
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4
stdout
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0->1->2->3->5->6
https://ideone.com/nZ55i
language:
C (gcc 8.3)
created:
13 years ago
visibility:
secret

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