sir the code did not work
node* sort(node *head)
{
if(head==nullptr||head->next==nullptr)
return head;
node *mid=mid_point(head);
node *first=head;
node *second=mid->next;
mid->next=nullptr;
first=sort(first);
second=sort(second);
node *ans=merge(first,second);
return ans;
}
Merge sort code
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