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  1. #include<stdio.h>
  2. #include<stdlib.h>
  3. long long l=0;
  4. struct node{
  5. 	struct node* prev;
  6. 	long long data;
  7. 	struct node* next;
  8. };
  9. struct node* head; 
  10. void insert(long long x,long long p)
  11. {
  12. 	long long i;
  13. 	struct node* temp1=(node*)malloc(sizeof(node));
  14. 	temp1->data=x;
  15. 	l++;
  16. 	if(p==1)
  17. 	{
  18. 		temp1->next=head;
  19. 		head=temp1;
  20. 		head->prev=NULL;
  21. 	}
  22. 	else
  23. 	{
  24. 		struct node* temp2=head;
  25. 		for(i=0;i<p-2;i++)
  26. 		temp2=temp2->next;
  27. 		temp1->prev=temp2;
  28. 		temp1->next=temp2->next;
  29. 		if(l!=p)
  30. 		temp1->next->prev=temp1;
  31. 		temp2->next=temp1;
  32. 	}
  33. }
  34. void print()
  35. {
  36. 	struct node* temp=head;
  37. 	while(temp!=NULL)
  38. 	{
  39. 		printf("%lld ",temp->data);
  40. 		temp=temp->next;
  41. 	}
  42. }
  43. int main()
  44. {
  45. 	long long n,i,p,x;
  46. 	head=NULL;
  47. 	scanf("%lld",&n);
  48. 	for(i=0;i<n;i++)
  49. 	{
  50. 		scanf("%lld%lld",&x,&p);
  51. 		insert(x,p);
  52. 		print();
  53. 	}
  54. }
  55.  
Runtime error #stdin #stdout 0s 3456KB
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Standard input is empty
stdout
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Standard output is empty
https://ideone.com/mwEiyp
language:
C++ (gcc 8.3)
created:
9 years ago
visibility:
secret

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