What is the error in the program? I tried to run it on ideone, but its
giving runtime error.
This is a program to reverse a linked list.
#include<stdio.h>
#include<malloc.h>
int count=0;
struct try{
int data;
struct try *next;
};
typedef struct try node;
node *head,*head2;
void reverse(node *list, int k)
{
if(!k)
{
head=list->next;
return;
}
if(list->next==NULL)
return;
reverse(list->next,k-1);
if(k==1)
head2=list->next;
list->next->next=list;
list->next=NULL;
}
void add(node *list,int a)
{
node *temp;
temp=malloc(sizeof(node));
temp->data=a;
temp->next=NULL;
if(list==NULL)
list=temp;
else
{
temp->next=list;
list=temp;
}
}
void print(node *list)
{
while(list->next!=NULL)
printf("%d",list->data);
}
void del(node *list)
{
node *temp;
while(list!=NULL)
{
temp=list;
free(list);
list=temp->next;
}
}
int main()
{
int k;
node *list;
scanf("%d",&k);
list=NULL;
add(list,10);
add(list,20);
add(list,30);
add(list,40);
add(list,50);
add(list,60);
print(list);
reverse(list,k-1);
list->next=head;
print(head2);
del(head2);
return 0;
}
--
Nikhil Gupta
Senior Co-ordinator, Publicity
CSI, NSIT Students' Branch
NSIT, New Delhi, India
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