g2401_2500.s2487_remove_nodes_from_linked_list

Class Solution

java.lang.Object

g2401_2500.s2487_remove_nodes_from_linked_list.Solution

public class Solution
extends Object

2487 - Remove Nodes From Linked List.

Medium

You are given the head of a linked list.

Remove every node which has a node with a strictly greater value anywhere to the right side of it.

Return the head of the modified linked list.

Example 1:

Input: head = [5,2,13,3,8]

Output: [13,8]

Explanation: The nodes that should be removed are 5, 2 and 3.

• Node 13 is to the right of node 5.
• Node 13 is to the right of node 2.
• Node 8 is to the right of node 3.

Example 2:

Input: head = [1,1,1,1]

Output: [1,1,1,1]

Explanation: Every node has value 1, so no nodes are removed.

Constraints:

• The number of the nodes in the given list is in the range [1, 105].
• 1 <= Node.val <= 105

Constructor Summary

Constructors

Constructor and Description
Solution()

Method Summary

Modifier and Type	Method and Description
ListNode	removeNodes(ListNode head)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Solution

public Solution()

Method Detail

removeNodes

public ListNode removeNodes(ListNode head)