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  1. #include<stdio.h>
  2. #include<malloc.h>
  3.  
  4. struct node
  5. {
  6.   int data;
  7.   struct node* left;
  8.   struct node* right;
  9.   struct node* next;
  10. };
  11.  
  12. typedef struct node Node;
  13.  
  14. void AddNode(Node* root, int number)
  15. {	
  16. 	if(root->data==number)
  17. 		return;
  18. 	else if(root->data>number)
  19. 	{
  20. 		if(root->left!=NULL)
  21. 		{
  22. 			AddNode(root->left,number);
  23. 		}
  24. 		else
  25. 		{
  26. 			Node* newNode = (Node*)malloc(sizeof(Node));
  27. 			newNode->data = number;
  28. 			newNode->left = NULL;
  29. 			newNode->right= NULL;
  30. 			newNode->next= NULL;
  31. 			root->left = newNode;
  32. 		}
  33. 	}
  34. 	else if(root->data<number)
  35. 	{
  36. 		if(root->right!=NULL)
  37. 		{
  38. 			AddNode(root->right,number);
  39. 		}
  40. 		else
  41. 		{
  42. 			Node* newNode = (Node*)malloc(sizeof(Node));
  43. 			newNode->data = number;
  44. 			newNode->left = NULL;
  45. 			newNode->right= NULL;
  46. 			newNode->next= NULL;
  47. 			root->right= newNode;
  48. 		}
  49. 	}
  50. }
  51.  
  52. Node* Populate(Node* root)
  53. {
  54. 	if(root!=NULL)
  55. 	{
  56. 		root->next = Populate(root->right);
  57. 		if(root->left!=NULL)
  58. 		{	
  59. 			root->left->next = root;
  60. 			return Populate(root->left);
  61. 		}
  62. 		else
  63. 		{
  64. 			return root;
  65. 		}
  66. 	}
  67. 	else
  68. 	{
  69. 		return NULL;
  70. 	}
  71. }
  72.  
  73. int main()
  74. {
  75. 	Node* start;
  76. 	Node* root = (Node*)malloc(sizeof(Node));
  77. 	root->data = 4;
  78. 	root->left = NULL;
  79. 	root->right= NULL;
  80. 	root->next= NULL;
  81.  
  82. 	AddNode(root,3);
  83. 	AddNode(root,7);
  84. 	AddNode(root,1);
  85. 	AddNode(root,2);
  86. 	AddNode(root,6);
  87. 	AddNode(root,9);
  88. 	AddNode(root,17);
  89. 	AddNode(root,11);
  90. 	AddNode(root,10);
  91. 	AddNode(root,3);
  92. 	AddNode(root,4);
  93.  
  94. 	start = Populate(root);
  95.  
  96. 	while(start!=null)
  97. 	{
  98. 		printf("%d\t",start->data);
  99. 		start = start->next;
  100. 	}
  101.  
  102.   return 1;
  103. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
compilation info 
prog.c: In function ‘main’:
prog.c:96: error: ‘null’ undeclared (first use in this function)
prog.c:96: error: (Each undeclared identifier is reported only once
prog.c:96: error: for each function it appears in.)
stdout 
Standard output is empty
https://ideone.com/FKClh
language:
C99 (gcc 8.3)
created:
14 years ago
visibility:
public

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