Reverse a singly linked list and return the new head.
Input Format
Integer n n space-separated integers (linked list values)
Output Format
Space-separated integers (reversed list)
Sample Input
4 1 2 3 4
Sample Output
4 3 2 1
Reverse a singly linked list and return the new head.
Integer n n space-separated integers (linked list values)
Space-separated integers (reversed list)
4 1 2 3 4
4 3 2 1