65 lines
1.4 KiB
C
65 lines
1.4 KiB
C
/*
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* Recursive C program to reverse nodes of a linked list and display
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* them
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*/
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#include <stdio.h>
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#include <stdlib.h>
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struct node
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{
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int data;
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struct node *next;
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};
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void print_reverse_recursive (struct node *);
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void print (struct node *);
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void create_new_node (struct node *, int );
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//Driver Function
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int main ()
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{
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struct node *head = NULL;
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insert_new_node (&head, 1);
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insert_new_node (&head, 2);
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insert_new_node (&head, 3);
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insert_new_node (&head, 4);
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printf ("LinkedList : ");
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print (head);
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printf ("\nLinkedList in reverse order : ");
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print_reverse_recursive (head);
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printf ("\n");
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return 0;
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}
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//Recursive Reverse
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void print_reverse_recursive (struct node *head)
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{
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if (head == NULL)
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{
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return;
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}
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//Recursive call first
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print_reverse (head -> next);
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//Print later
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printf ("%d ", head -> data);
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}
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//Print the linkedlist normal
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void print (struct node *head)
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{
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if (head == NULL)
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{
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return;
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}
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printf ("%d ", head -> data);
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print (head -> next);
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}
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//New data added in the start
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void insert_new_node (struct node ** head_ref, int new_data)
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{
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struct node * new_node = (struct node *) malloc (sizeof (struct node));
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new_node -> data = new_data;
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new_node -> next = (*head_ref);
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(*head_ref) = new_node;
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} |